155596085601856 has 21 divisors (see below), whose sum is σ = 308761180388139. Its totient is φ = 77797992905664.

The previous prime is 155596085601829. The next prime is 155596085601899. The reversal of 155596085601856 is 658106580695551.

The square root of 155596085601856 is 12473816.

It is a perfect power (a square), and thus also a powerful number.

It is a super-3 number, since 3×155596085601856³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 99010915 + ... + 100570141.

Almost surely, 2^{155596085601856} is an apocalyptic number.

155596085601856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

155596085601856 is the 12473816-th square number.

It is an amenable number.

155596085601856 is a deficient number, since it is larger than the sum of its proper divisors (153165094786283).

155596085601856 is an frugal number, since it uses more digits than its factorization.

155596085601856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3118466 (or 1559229 counting only the distinct ones).

The product of its (nonzero) digits is 388800000, while the sum is 70.

The spelling of 155596085601856 in words is "one hundred fifty-five trillion, five hundred ninety-six billion, eighty-five million, six hundred one thousand, eight hundred fifty-six".