116251071155505 has 192 divisors, whose sum is σ = 252336997785600. Its totient is φ = 48639303475200.

The previous prime is 116251071155477. The next prime is 116251071155507. The reversal of 116251071155505 is 505551170152611.

It is a happy number.

116251071155505 is a `hidden beast` number, since 1 + 1 + 6 + 2 + 5 + 10 + 71 + 15 + 550 + 5 = 666.

It is not a de Polignac number, because 116251071155505 - 2⁷ = 116251071155377 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (116251071155507) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 12733840 + ... + 19865870.

It is an arithmetic number, because the mean of its divisors is an integer number (1314255196800).

Almost surely, 2^{116251071155505} is an apocalyptic number.

116251071155505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

116251071155505 is an abundant number, since it is smaller than the sum of its proper divisors (136085926630095).

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

116251071155505 is a wasteful number, since it uses less digits than its factorization.

116251071155505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7132232 (or 7132229 counting only the distinct ones).

The product of its (nonzero) digits is 262500, while the sum is 45.

The spelling of 116251071155505 in words is "one hundred sixteen trillion, two hundred fifty-one billion, seventy-one million, one hundred fifty-five thousand, five hundred five".