15425514242390 has 128 divisors (see below), whose sum is σ = 32709188793600. Its totient is φ = 5235214516224.

The previous prime is 15425514242389. The next prime is 15425514242431. The reversal of 15425514242390 is 9324241552451.

It is a congruent number.

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, 165831734 + ... + 165924726.

It is an arithmetic number, because the mean of its divisors is an integer number (255540537450).

Almost surely, 2^{15425514242390} is an apocalyptic number.

15425514242390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15425514242390 is an abundant number, since it is smaller than the sum of its proper divisors (17283674551210).

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

15425514242390 is a wasteful number, since it uses less digits than its factorization.

15425514242390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93511 (or 93497 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 47.

The spelling of 15425514242390 in words is "fifteen trillion, four hundred twenty-five billion, five hundred fourteen million, two hundred forty-two thousand, three hundred ninety".