155056410552 has 64 divisors (see below), whose sum is σ = 397327392000. Its totient is φ = 50395426560.

The previous prime is 155056410521. The next prime is 155056410569. The reversal of 155056410552 is 255014650551.

It is a self number, because there is not a number n which added to its sum of digits gives 155056410552.

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, 1673949 + ... + 1764147.

It is an arithmetic number, because the mean of its divisors is an integer number (6208240500).

Almost surely, 2^155056410552 is an apocalyptic number.

155056410552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155056410552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198663696000).

155056410552 is an abundant number, since it is smaller than the sum of its proper divisors (242270981448).

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

155056410552 is a wasteful number, since it uses less digits than its factorization.

155056410552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91996 (or 91992 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 39.

The spelling of 155056410552 in words is "one hundred fifty-five billion, fifty-six million, four hundred ten thousand, five hundred fifty-two".