155501363560 has 32 divisors (see below), whose sum is σ = 350066241000. Its totient is φ = 62167092480.

The previous prime is 155501363539. The next prime is 155501363579. The reversal of 155501363560 is 65363105551.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 31539628836 + 123961734724 = 177594^2 + 352082^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 970035 + ... + 1118914.

Almost surely, 2^155501363560 is an apocalyptic number.

155501363560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155501363560 is an abundant number, since it is smaller than the sum of its proper divisors (194564877440).

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

155501363560 is a wasteful number, since it uses less digits than its factorization.

155501363560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2090821 (or 2090817 counting only the distinct ones).

The product of its (nonzero) digits is 202500, while the sum is 40.

The spelling of 155501363560 in words is "one hundred fifty-five billion, five hundred one million, three hundred sixty-three thousand, five hundred sixty".