155656631333056 has 28 divisors (see below), whose sum is σ = 353007003202768. Its totient is φ = 66709984856832.

The previous prime is 155656631333033. The next prime is 155656631333141. The reversal of 155656631333056 is 650333136656551.

It is a tau number, because it is divible by the number of its divisors (28).

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, 173723918451 + ... + 173723919346.

Almost surely, 2^{155656631333056} is an apocalyptic number.

155656631333056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

155656631333056 is an abundant number, since it is smaller than the sum of its proper divisors (197350371869712).

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

155656631333056 is an equidigital number, since it uses as much as digits as its factorization.

155656631333056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347447837816 (or 347447837806 counting only the distinct ones).

The product of its (nonzero) digits is 65610000, while the sum is 58.

The spelling of 155656631333056 in words is "one hundred fifty-five trillion, six hundred fifty-six billion, six hundred thirty-one million, three hundred thirty-three thousand, fifty-six".