15252421145430 has 64 divisors (see below), whose sum is σ = 41845894963200. Its totient is φ = 3485377467264.

The previous prime is 15252421145413. The next prime is 15252421145453. The reversal of 15252421145430 is 3454112425251.

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, 8448630 + ... + 10093769.

It is an arithmetic number, because the mean of its divisors is an integer number (653842108800).

Almost surely, 2^{15252421145430} is an apocalyptic number.

15252421145430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15252421145430 is an abundant number, since it is smaller than the sum of its proper divisors (26593473817770).

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

15252421145430 is a wasteful number, since it uses less digits than its factorization.

15252421145430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18546333.

The product of its (nonzero) digits is 192000, while the sum is 39.

The spelling of 15252421145430 in words is "fifteen trillion, two hundred fifty-two billion, four hundred twenty-one million, one hundred forty-five thousand, four hundred thirty".