152635631421225 has 24 divisors (see below), whose sum is σ = 252416636455072. Its totient is φ = 81386618745600.

The previous prime is 152635631421223. The next prime is 152635631421227. The reversal of 152635631421225 is 522124136536251.

It is an interprime number because it is at equal distance from previous prime (152635631421223) and next prime (152635631421227).

It is not a de Polignac number, because 152635631421225 - 2¹ = 152635631421223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152635631421223) 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, 237819211 + ... + 238460160.

Almost surely, 2^{152635631421225} is an apocalyptic number.

152635631421225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

152635631421225 is a deficient number, since it is larger than the sum of its proper divisors (99781005033847).

152635631421225 is a wasteful number, since it uses less digits than its factorization.

152635631421225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476283657 (or 476283652 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 48.

Adding to 152635631421225 its reverse (522124136536251), we get a palindrome (674759767957476).

The spelling of 152635631421225 in words is "one hundred fifty-two trillion, six hundred thirty-five billion, six hundred thirty-one million, four hundred twenty-one thousand, two hundred twenty-five".