16161110015115 has 16 divisors (see below), whose sum is σ = 27846835718688. Its totient is φ = 7956238776576.

The previous prime is 16161110015101. The next prime is 16161110015129. The reversal of 16161110015115 is 51151001116161.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (16161110015101) and next prime (16161110015129).

It is not a de Polignac number, because 16161110015115 - 2⁸ = 16161110014859 is a prime.

It is a super-2 number, since 2×16161110015115² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41438743434 + ... + 41438743823.

It is an arithmetic number, because the mean of its divisors is an integer number (1740427232418).

Almost surely, 2^{16161110015115} is an apocalyptic number.

16161110015115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16161110015115 is a deficient number, since it is larger than the sum of its proper divisors (11685725703573).

16161110015115 is a wasteful number, since it uses less digits than its factorization.

16161110015115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82877487278.

The product of its (nonzero) digits is 900, while the sum is 30.

The spelling of 16161110015115 in words is "sixteen trillion, one hundred sixty-one billion, one hundred ten million, fifteen thousand, one hundred fifteen".