115538540810 has 64 divisors (see below), whose sum is σ = 259601448960. Its totient is φ = 35968269120.

The previous prime is 115538540797. The next prime is 115538540839. The reversal of 115538540810 is 18045835511.

It is a super-2 number, since 2×115538540810² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 546071 + ... + 727509.

It is an arithmetic number, because the mean of its divisors is an integer number (4056272640).

Almost surely, 2^115538540810 is an apocalyptic number.

115538540810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115538540810 is an abundant number, since it is smaller than the sum of its proper divisors (144062908150).

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

115538540810 is a wasteful number, since it uses less digits than its factorization.

115538540810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182291.

The product of its (nonzero) digits is 96000, while the sum is 41.

The spelling of 115538540810 in words is "one hundred fifteen billion, five hundred thirty-eight million, five hundred forty thousand, eight hundred ten".