155202013560 has 128 divisors (see below), whose sum is σ = 510513062400. Its totient is φ = 37433679360.

The previous prime is 155202013537. The next prime is 155202013583. The reversal of 155202013560 is 65310202551.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (155202013537) and next prime (155202013583).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38380 + ... + 558459.

It is an arithmetic number, because the mean of its divisors is an integer number (3988383300).

Almost surely, 2^155202013560 is an apocalyptic number.

155202013560 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 155202013560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255256531200).

155202013560 is an abundant number, since it is smaller than the sum of its proper divisors (355311048840).

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

155202013560 is a wasteful number, since it uses less digits than its factorization.

155202013560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597061 (or 597057 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 155202013560 in words is "one hundred fifty-five billion, two hundred two million, thirteen thousand, five hundred sixty".