155555613135460 has 24 divisors (see below), whose sum is σ = 326930867497080. Its totient is φ = 62171944318464.

The previous prime is 155555613135449. The next prime is 155555613135479. The reversal of 155555613135460 is 64531316555551.

It can be written as a sum of positive squares in 4 ways, for example, as 32174125106176 + 123381488029284 = 5672224^2 + 11107722^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3143783125 + ... + 3143832604.

It is an arithmetic number, because the mean of its divisors is an integer number (13622119479045).

Almost surely, 2^{155555613135460} is an apocalyptic number.

155555613135460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155555613135460 is an abundant number, since it is smaller than the sum of its proper divisors (171375254361620).

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

155555613135460 is a wasteful number, since it uses less digits than its factorization.

155555613135460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6287616975 (or 6287616973 counting only the distinct ones).

The product of its (nonzero) digits is 20250000, while the sum is 55.

The spelling of 155555613135460 in words is "one hundred fifty-five trillion, five hundred fifty-five billion, six hundred thirteen million, one hundred thirty-five thousand, four hundred sixty".