155040250124320 has 96 divisors (see below), whose sum is σ = 399697417969920. Its totient is φ = 56361848125440.

The previous prime is 155040250124273. The next prime is 155040250124369. The reversal of 155040250124320 is 23421052040551.

It is a happy number.

It is a super-2 number, since 2×155040250124320² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6787960 + ... + 18872119.

It is an arithmetic number, because the mean of its divisors is an integer number (4163514770520).

Almost surely, 2^{155040250124320} is an apocalyptic number.

155040250124320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155040250124320 is an abundant number, since it is smaller than the sum of its proper divisors (244657167845600).

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

155040250124320 is a wasteful number, since it uses less digits than its factorization.

155040250124320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25663538 (or 25663530 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

The spelling of 155040250124320 in words is "one hundred fifty-five trillion, forty billion, two hundred fifty million, one hundred twenty-four thousand, three hundred twenty".