101512341040 has 40 divisors (see below), whose sum is σ = 257472212688. Its totient is φ = 36913578240.

The previous prime is 101512341023. The next prime is 101512341053. The reversal of 101512341040 is 40143215101.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57676587 + ... + 57678346.

Almost surely, 2^101512341040 is an apocalyptic number.

101512341040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101512341040 is an abundant number, since it is smaller than the sum of its proper divisors (155959871648).

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

101512341040 is a wasteful number, since it uses less digits than its factorization.

101512341040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115354957 (or 115354951 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 101512341040 its reverse (40143215101), we get a palindrome (141655556141).

The spelling of 101512341040 in words is "one hundred one billion, five hundred twelve million, three hundred forty-one thousand, forty".