115666061555010 has 64 divisors (see below), whose sum is σ = 279070463268864. Its totient is φ = 30680758348800.

The previous prime is 115666061554949. The next prime is 115666061555159. The reversal of 115666061555010 is 10555160666511.

It is a super-2 number, since 2×115666061555010² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86668702 + ... + 87993158.

It is an arithmetic number, because the mean of its divisors is an integer number (4360475988576).

Almost surely, 2^{115666061555010} is an apocalyptic number.

115666061555010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115666061555010 is an abundant number, since it is smaller than the sum of its proper divisors (163404401713854).

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

115666061555010 is a wasteful number, since it uses less digits than its factorization.

115666061555010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339899.

The product of its (nonzero) digits is 810000, while the sum is 48.

The spelling of 115666061555010 in words is "one hundred fifteen trillion, six hundred sixty-six billion, sixty-one million, five hundred fifty-five thousand, ten".