115210501040 has 20 divisors (see below), whose sum is σ = 267864415104. Its totient is φ = 46084200384.

The previous prime is 115210501031. The next prime is 115210501073. The reversal of 115210501040 is 40105012511.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 720065552 + ... + 720065711.

Almost surely, 2^115210501040 is an apocalyptic number.

115210501040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115210501040 is an abundant number, since it is smaller than the sum of its proper divisors (152653914064).

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

115210501040 is a wasteful number, since it uses less digits than its factorization.

115210501040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440131276 (or 1440131270 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 20.

Adding to 115210501040 its reverse (40105012511), we get a palindrome (155315513551).

The spelling of 115210501040 in words is "one hundred fifteen billion, two hundred ten million, five hundred one thousand, forty".