155551466232564 has 12 divisors (see below), whose sum is σ = 362953421209344. Its totient is φ = 51850488744184.

The previous prime is 155551466232427. The next prime is 155551466232577. The reversal of 155551466232564 is 465232664155551.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 155551466232498 and 155551466232507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6481311093012 + ... + 6481311093035.

It is an arithmetic number, because the mean of its divisors is an integer number (30246118434112).

Almost surely, 2^{155551466232564} is an apocalyptic number.

It is an amenable number.

155551466232564 is an abundant number, since it is smaller than the sum of its proper divisors (207401954976780).

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

155551466232564 is a wasteful number, since it uses less digits than its factorization.

155551466232564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12962622186054 (or 12962622186052 counting only the distinct ones).

The product of its digits is 129600000, while the sum is 60.

The spelling of 155551466232564 in words is "one hundred fifty-five trillion, five hundred fifty-one billion, four hundred sixty-six million, two hundred thirty-two thousand, five hundred sixty-four".