155323554152124 has 48 divisors (see below), whose sum is σ = 371755534864896. Its totient is φ = 50444465520000.

The previous prime is 155323554152071. The next prime is 155323554152167. The reversal of 155323554152124 is 421251455323551.

It is a happy number.

It is a super-2 number, since 2×155323554152124² (a number of 29 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 15 ways as a sum of consecutive naturals, for example, 209815782 + ... + 210554765.

It is an arithmetic number, because the mean of its divisors is an integer number (7744906976352).

Almost surely, 2^{155323554152124} is an apocalyptic number.

It is an amenable number.

155323554152124 is an abundant number, since it is smaller than the sum of its proper divisors (216431980712772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155323554152124 is a wasteful number, since it uses less digits than its factorization.

155323554152124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420371346 (or 420371344 counting only the distinct ones).

The product of its digits is 3600000, while the sum is 48.

The spelling of 155323554152124 in words is "one hundred fifty-five trillion, three hundred twenty-three billion, five hundred fifty-four million, one hundred fifty-two thousand, one hundred twenty-four".