155242152212554 has 16 divisors (see below), whose sum is σ = 254033594302176. Its totient is φ = 70564341978000.

The previous prime is 155242152212551. The next prime is 155242152212617. The reversal of 155242152212554 is 455212251242551.

It is not an unprimeable number, because it can be changed into a prime (155242152212551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7753932 + ... + 19251175.

It is an arithmetic number, because the mean of its divisors is an integer number (15877099643886).

Almost surely, 2^{155242152212554} is an apocalyptic number.

155242152212554 is a deficient number, since it is larger than the sum of its proper divisors (98791442089622).

155242152212554 is a wasteful number, since it uses less digits than its factorization.

155242152212554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27266421.

The product of its digits is 1600000, while the sum is 46.

The spelling of 155242152212554 in words is "one hundred fifty-five trillion, two hundred forty-two billion, one hundred fifty-two million, two hundred twelve thousand, five hundred fifty-four".