115625769640 has 32 divisors (see below), whose sum is σ = 262056957480. Its totient is φ = 45912712192.

The previous prime is 115625769629. The next prime is 115625769683. The reversal of 115625769640 is 46967526511.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 56806908964 + 58818860676 = 238342^2 + 242526^2 .

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, 10544317 + ... + 10555276.

Almost surely, 2^115625769640 is an apocalyptic number.

115625769640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115625769640 is an abundant number, since it is smaller than the sum of its proper divisors (146431187840).

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

115625769640 is a wasteful number, since it uses less digits than its factorization.

115625769640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21099741 (or 21099737 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 52.

The spelling of 115625769640 in words is "one hundred fifteen billion, six hundred twenty-five million, seven hundred sixty-nine thousand, six hundred forty".