155116437226 has 16 divisors (see below), whose sum is σ = 234140993064. Its totient is φ = 77070942144.

The previous prime is 155116437191. The next prime is 155116437239. The reversal of 155116437226 is 622734611551.

It can be written as a sum of positive squares in 4 ways, for example, as 105387883225 + 49728554001 = 324635^2 + 222999^2 .

It is a super-2 number, since 2×155116437226² (a number of 23 digits) contains 22 as substring.

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, 168685 + ... + 581968.

Almost surely, 2^155116437226 is an apocalyptic number.

155116437226 is a deficient number, since it is larger than the sum of its proper divisors (79024555838).

155116437226 is a wasteful number, since it uses less digits than its factorization.

155116437226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751305.

The product of its digits is 302400, while the sum is 43.

The spelling of 155116437226 in words is "one hundred fifty-five billion, one hundred sixteen million, four hundred thirty-seven thousand, two hundred twenty-six".