155535148560 has 320 divisors, whose sum is σ = 538371256320. Its totient is φ = 36821667840.

The previous prime is 155535148471. The next prime is 155535148609. The reversal of 155535148560 is 65841535551.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 70600419 + ... + 70602621.

It is an arithmetic number, because the mean of its divisors is an integer number (1682410176).

Almost surely, 2^155535148560 is an apocalyptic number.

155535148560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155535148560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269185628160).

155535148560 is an abundant number, since it is smaller than the sum of its proper divisors (382836107760).

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

155535148560 is a wasteful number, since it uses less digits than its factorization.

155535148560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2846 (or 2840 counting only the distinct ones).

The product of its (nonzero) digits is 1800000, while the sum is 48.

The spelling of 155535148560 in words is "one hundred fifty-five billion, five hundred thirty-five million, one hundred forty-eight thousand, five hundred sixty".