15354622057432 has 128 divisors (see below), whose sum is σ = 34106494464000. Its totient is φ = 6343309324800.

The previous prime is 15354622057427. The next prime is 15354622057483. The reversal of 15354622057432 is 23475022645351.

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, 137900182 + ... + 138011482.

It is an arithmetic number, because the mean of its divisors is an integer number (266456988000).

Almost surely, 2^{15354622057432} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15354622057432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17053247232000).

15354622057432 is an abundant number, since it is smaller than the sum of its proper divisors (18751872406568).

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

15354622057432 is a wasteful number, since it uses less digits than its factorization.

15354622057432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111969 (or 111965 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 49.

The spelling of 15354622057432 in words is "fifteen trillion, three hundred fifty-four billion, six hundred twenty-two million, fifty-seven thousand, four hundred thirty-two".