155046251560 has 32 divisors (see below), whose sum is σ = 348865574400. Its totient is φ = 62016454720.

The previous prime is 155046251557. The next prime is 155046251561. The reversal of 155046251560 is 65152640551.

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

It is not an unprimeable number, because it can be changed into a prime (155046251561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1936401 + ... + 2014879.

It is an arithmetic number, because the mean of its divisors is an integer number (10902049200).

Almost surely, 2^155046251560 is an apocalyptic number.

155046251560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155046251560 is an abundant number, since it is smaller than the sum of its proper divisors (193819322840).

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

155046251560 is a wasteful number, since it uses less digits than its factorization.

155046251560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127881 (or 127877 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 40.

The spelling of 155046251560 in words is "one hundred fifty-five billion, forty-six million, two hundred fifty-one thousand, five hundred sixty".