15251032456461 has 16 divisors (see below), whose sum is σ = 22596456889600. Its totient is φ = 10166304341664.

The previous prime is 15251032456453. The next prime is 15251032456493. The reversal of 15251032456461 is 16465423015251.

15251032456461 is a `hidden beast` number, since 1 + 5 + 2 + 5 + 1 + 0 + 3 + 24 + 564 + 61 = 666.

It is not a de Polignac number, because 15251032456461 - 2³ = 15251032456453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15251032451461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28917976 + ... + 29440641.

It is an arithmetic number, because the mean of its divisors is an integer number (1412278555600).

Almost surely, 2^{15251032456461} is an apocalyptic number.

It is an amenable number.

15251032456461 is a deficient number, since it is larger than the sum of its proper divisors (7345424433139).

15251032456461 is an equidigital number, since it uses as much as digits as its factorization.

15251032456461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58368305 (or 58368299 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 15251032456461 in words is "fifteen trillion, two hundred fifty-one billion, thirty-two million, four hundred fifty-six thousand, four hundred sixty-one".