115073871540 has 24 divisors (see below), whose sum is σ = 322206840480. Its totient is φ = 30686365728.

The previous prime is 115073871511. The next prime is 115073871551. The reversal of 115073871540 is 45178370511.

It is a super-2 number, since 2×115073871540² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 115073871492 and 115073871501.

It is a congruent number.

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, 958948870 + ... + 958948989.

It is an arithmetic number, because the mean of its divisors is an integer number (13425285020).

Almost surely, 2^115073871540 is an apocalyptic number.

115073871540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115073871540 is an abundant number, since it is smaller than the sum of its proper divisors (207132968940).

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

115073871540 is a wasteful number, since it uses less digits than its factorization.

115073871540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917897871 (or 1917897869 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 42.

The spelling of 115073871540 in words is "one hundred fifteen billion, seventy-three million, eight hundred seventy-one thousand, five hundred forty".