108401611536 has 45 divisors (see below), whose sum is σ = 303385012021. Its totient is φ = 36132553536.

The previous prime is 108401611453. The next prime is 108401611597. The reversal of 108401611536 is 635116104801.

It is a happy number.

The square root of 108401611536 is 329244.

It is a perfect power (a square), and thus also a powerful number.

108401611536 is a `hidden beast` number, since 1 + 0 + 8 + 4 + 0 + 1 + 611 + 5 + 36 = 666.

It can be written as a sum of positive squares in only one way, i.e., 57571203600 + 50830407936 = 239940^2 + 225456^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 108401611536.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3937210 + ... + 3964646.

Almost surely, 2^108401611536 is an apocalyptic number.

108401611536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

108401611536 is the 329244-th square number.

It is an amenable number.

108401611536 is an abundant number, since it is smaller than the sum of its proper divisors (194983400485).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

108401611536 is an frugal number, since it uses more digits than its factorization.

108401611536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54888 (or 27442 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

Multiplying 108401611536 by its sum of digits (36), we get a square (3902458015296 = 1975464²).

108401611536 divided by its sum of digits (36) gives a square (3011155876 = 54874²).

The spelling of 108401611536 in words is "one hundred eight billion, four hundred one million, six hundred eleven thousand, five hundred thirty-six".