101039551632 has 140 divisors (see below), whose sum is σ = 306274129344. Its totient is φ = 32215423680.

The previous prime is 101039551619. The next prime is 101039551637. The reversal of 101039551632 is 236155930101.

It is a happy number.

101039551632 is a `hidden beast` number, since 1 + 0 + 10 + 3 + 9 + 5 + 5 + 1 + 632 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (101039551637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 79957 + ... + 456587.

Almost surely, 2^101039551632 is an apocalyptic number.

101039551632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101039551632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153137064672).

101039551632 is an abundant number, since it is smaller than the sum of its proper divisors (205234577712).

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

101039551632 is an equidigital number, since it uses as much as digits as its factorization.

101039551632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376680 (or 376659 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The spelling of 101039551632 in words is "one hundred one billion, thirty-nine million, five hundred fifty-one thousand, six hundred thirty-two".