155215791360 has 216 divisors, whose sum is σ = 613749427200. Its totient is φ = 35477876736.

The previous prime is 155215791347. The next prime is 155215791383. The reversal of 155215791360 is 63197512551.

155215791360 is a `hidden beast` number, since 1 + 5 + 5 + 2 + 1 + 579 + 13 + 60 = 666.

It is a super-2 number, since 2×155215791360² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 881760 + ... + 1043039.

Almost surely, 2^155215791360 is an apocalyptic number.

155215791360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155215791360 is an abundant number, since it is smaller than the sum of its proper divisors (458533635840).

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

155215791360 is a wasteful number, since it uses less digits than its factorization.

155215791360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1924833 (or 1924816 counting only the distinct ones).

The product of its (nonzero) digits is 283500, while the sum is 45.

The spelling of 155215791360 in words is "one hundred fifty-five billion, two hundred fifteen million, seven hundred ninety-one thousand, three hundred sixty".