15525630461 has 16 divisors (see below), whose sum is σ = 17590625280. Its totient is φ = 13579746480.

The previous prime is 15525630451. The next prime is 15525630469. The reversal of 15525630461 is 16403652551.

It is a cyclic number.

It is not a de Polignac number, because 15525630461 - 2¹⁰ = 15525629437 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 (15525630469) 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, 223991 + ... + 284996.

It is an arithmetic number, because the mean of its divisors is an integer number (1099414080).

Almost surely, 2^15525630461 is an apocalyptic number.

15525630461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

15525630461 is a deficient number, since it is larger than the sum of its proper divisors (2064994819).

15525630461 is a wasteful number, since it uses less digits than its factorization.

15525630461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509104.

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 15525630461 in words is "fifteen billion, five hundred twenty-five million, six hundred thirty thousand, four hundred sixty-one".