155016022051 has 16 divisors (see below), whose sum is σ = 170179043328. Its totient is φ = 140032022400.

The previous prime is 155016022013. The next prime is 155016022079. The reversal of 155016022051 is 150220610551.

It is a cyclic number.

It is not a de Polignac number, because 155016022051 - 2²⁷ = 154881804323 is a prime.

It is a super-2 number, since 2×155016022051² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155016022151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6073246 + ... + 6098716.

It is an arithmetic number, because the mean of its divisors is an integer number (10636190208).

Almost surely, 2^155016022051 is an apocalyptic number.

155016022051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

155016022051 is a deficient number, since it is larger than the sum of its proper divisors (15163021277).

155016022051 is a wasteful number, since it uses less digits than its factorization.

155016022051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28962.

The product of its (nonzero) digits is 3000, while the sum is 28.

The spelling of 155016022051 in words is "one hundred fifty-five billion, sixteen million, twenty-two thousand, fifty-one".