155212341156 has 24 divisors (see below), whose sum is σ = 402402366240. Its totient is φ = 51737447016.

The previous prime is 155212341127. The next prime is 155212341259. The reversal of 155212341156 is 651143212551.

155212341156 is a `hidden beast` number, since 1 + 55 + 212 + 341 + 1 + 56 = 666.

155212341156 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 155212341156.

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, 718575546 + ... + 718575761.

It is an arithmetic number, because the mean of its divisors is an integer number (16766765260).

Almost surely, 2^155212341156 is an apocalyptic number.

It is an amenable number.

155212341156 is an abundant number, since it is smaller than the sum of its proper divisors (247190025084).

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

155212341156 is a wasteful number, since it uses less digits than its factorization.

155212341156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1437151320 (or 1437151312 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

The spelling of 155212341156 in words is "one hundred fifty-five billion, two hundred twelve million, three hundred forty-one thousand, one hundred fifty-six".