155105516116 has 24 divisors (see below), whose sum is σ = 288580247424. Its totient is φ = 72781257120.

The previous prime is 155105516089. The next prime is 155105516191. The reversal of 155105516116 is 611615501551.

It is a super-2 number, since 2×155105516116² (a number of 23 digits) contains 22 as substring.

It is a congruent 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, 15900120 + ... + 15909871.

It is an arithmetic number, because the mean of its divisors is an integer number (12024176976).

Almost surely, 2^155105516116 is an apocalyptic number.

It is an amenable number.

155105516116 is a deficient number, since it is larger than the sum of its proper divisors (133474731308).

155105516116 is a wasteful number, since it uses less digits than its factorization.

155105516116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31810071 (or 31810069 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 37.

The spelling of 155105516116 in words is "one hundred fifty-five billion, one hundred five million, five hundred sixteen thousand, one hundred sixteen".