15377630225 has 6 divisors (see below), whose sum is σ = 19068261510. Its totient is φ = 12302104160.

The previous prime is 15377630189. The next prime is 15377630249. The reversal of 15377630225 is 52203677351.

It can be written as a sum of positive squares in 3 ways, for example, as 3063733201 + 12313897024 = 55351^2 + 110968^2 .

It is not a de Polignac number, because 15377630225 - 2¹⁸ = 15377368081 is a prime.

It is a super-2 number, since 2×15377630225² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 307552580 + ... + 307552629.

It is an arithmetic number, because the mean of its divisors is an integer number (3178043585).

Almost surely, 2^15377630225 is an apocalyptic number.

It is an amenable number.

15377630225 is a deficient number, since it is larger than the sum of its proper divisors (3690631285).

15377630225 is an equidigital number, since it uses as much as digits as its factorization.

15377630225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615105219 (or 615105214 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 41.

The spelling of 15377630225 in words is "fifteen billion, three hundred seventy-seven million, six hundred thirty thousand, two hundred twenty-five".