6115612172154 has 16 divisors (see below), whose sum is σ = 12763016707392. Its totient is φ = 1949905330208.

The previous prime is 6115612172149. The next prime is 6115612172161. The reversal of 6115612172154 is 4512712165116.

It is a super-2 number, since 2×6115612172154² (a number of 26 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 7 ways as a sum of consecutive naturals, for example, 22158014979 + ... + 22158015254.

It is an arithmetic number, because the mean of its divisors is an integer number (797688544212).

Almost surely, 2^{6115612172154} is an apocalyptic number.

6115612172154 is an abundant number, since it is smaller than the sum of its proper divisors (6647404535238).

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

6115612172154 is a wasteful number, since it uses less digits than its factorization.

6115612172154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44316030261.

The product of its digits is 100800, while the sum is 42.

The spelling of 6115612172154 in words is "six trillion, one hundred fifteen billion, six hundred twelve million, one hundred seventy-two thousand, one hundred fifty-four".