155435553130 has 64 divisors (see below), whose sum is σ = 328798528128. Its totient is φ = 52158101760.

The previous prime is 155435553109. The next prime is 155435553179. The reversal of 155435553130 is 31355534551.

It is a super-2 number, since 2×155435553130² (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 31 ways as a sum of consecutive naturals, for example, 5194572 + ... + 5224408.

It is an arithmetic number, because the mean of its divisors is an integer number (5137477002).

Almost surely, 2^155435553130 is an apocalyptic number.

155435553130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155435553130 is an abundant number, since it is smaller than the sum of its proper divisors (173362974998).

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

155435553130 is a wasteful number, since it uses less digits than its factorization.

155435553130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33511.

The product of its (nonzero) digits is 337500, while the sum is 40.

The spelling of 155435553130 in words is "one hundred fifty-five billion, four hundred thirty-five million, five hundred fifty-three thousand, one hundred thirty".