155439289625088 has 480 divisors, whose sum is σ = 487352030330880. Its totient is φ = 43891363676160.

The previous prime is 155439289625033. The next prime is 155439289625131. The reversal of 155439289625088 is 880526982934551.

It is a super-2 number, since 2×155439289625088² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18976835073 + ... + 18976843263.

It is an arithmetic number, because the mean of its divisors is an integer number (1015316729856).

Almost surely, 2^{155439289625088} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155439289625088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243676015165440).

155439289625088 is an abundant number, since it is smaller than the sum of its proper divisors (331912740705792).

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

155439289625088 is an equidigital number, since it uses as much as digits as its factorization.

155439289625088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11148 (or 11125 counting only the distinct ones).

The product of its (nonzero) digits is 1492992000, while the sum is 75.

The spelling of 155439289625088 in words is "one hundred fifty-five trillion, four hundred thirty-nine billion, two hundred eighty-nine million, six hundred twenty-five thousand, eighty-eight".