151533252225 has 48 divisors (see below), whose sum is σ = 278423251200. Its totient is φ = 80802912960.

The previous prime is 151533252217. The next prime is 151533252239. The reversal of 151533252225 is 522252335151.

151533252225 is a `hidden beast` number, since 1 + 51 + 5 + 332 + 52 + 225 = 666.

It is not a de Polignac number, because 151533252225 - 2³ = 151533252217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 151533252225.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4349224 + ... + 4383926.

It is an arithmetic number, because the mean of its divisors is an integer number (5800484400).

Almost surely, 2^151533252225 is an apocalyptic number.

151533252225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

151533252225 is a deficient number, since it is larger than the sum of its proper divisors (126889998975).

151533252225 is a wasteful number, since it uses less digits than its factorization.

151533252225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41191 (or 41180 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

Adding to 151533252225 its reverse (522252335151), we get a palindrome (673785587376).

The spelling of 151533252225 in words is "one hundred fifty-one billion, five hundred thirty-three million, two hundred fifty-two thousand, two hundred twenty-five".