115446618715890 has 128 divisors (see below), whose sum is σ = 345448750897152. Its totient is φ = 23988318981120.

The previous prime is 115446618715873. The next prime is 115446618715919. The reversal of 115446618715890 is 98517816644511.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 96873589 + ... + 98058071.

It is an arithmetic number, because the mean of its divisors is an integer number (2698818366384).

Almost surely, 2^{115446618715890} is an apocalyptic number.

115446618715890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115446618715890 is an abundant number, since it is smaller than the sum of its proper divisors (230002132181262).

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

115446618715890 is a wasteful number, since it uses less digits than its factorization.

115446618715890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226704.

The product of its (nonzero) digits is 58060800, while the sum is 66.

The spelling of 115446618715890 in words is "one hundred fifteen trillion, four hundred forty-six billion, six hundred eighteen million, seven hundred fifteen thousand, eight hundred ninety".