15055649025 has 24 divisors (see below), whose sum is σ = 24900802080. Its totient is φ = 8026842240.

The previous prime is 15055649023. The next prime is 15055649047. The reversal of 15055649025 is 52094655051.

It is not a de Polignac number, because 15055649025 - 2¹ = 15055649023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15055649023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 187486 + ... + 255464.

It is an arithmetic number, because the mean of its divisors is an integer number (1037533420).

Almost surely, 2^15055649025 is an apocalyptic number.

15055649025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15055649025 is a deficient number, since it is larger than the sum of its proper divisors (9845153055).

15055649025 is a wasteful number, since it uses less digits than its factorization.

15055649025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70945 (or 70940 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 42.

The spelling of 15055649025 in words is "fifteen billion, fifty-five million, six hundred forty-nine thousand, twenty-five".