13152440025 has 72 divisors (see below), whose sum is σ = 24180193440. Its totient is φ = 6831601920.

The previous prime is 13152439981. The next prime is 13152440051. The reversal of 13152440025 is 52004425131.

13152440025 is a `hidden beast` number, since 131 + 524 + 4 + 0 + 0 + 2 + 5 = 666.

It is not a de Polignac number, because 13152440025 - 2¹⁶ = 13152374489 is a prime.

It is a super-2 number, since 2×13152440025² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1336774 + ... + 1346576.

It is an arithmetic number, because the mean of its divisors is an integer number (335836020).

Almost surely, 2^13152440025 is an apocalyptic number.

13152440025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13152440025 is a deficient number, since it is larger than the sum of its proper divisors (11027753415).

13152440025 is a wasteful number, since it uses less digits than its factorization.

13152440025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9975 (or 9967 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 13152440025 its reverse (52004425131), we get a palindrome (65156865156).

The spelling of 13152440025 in words is "thirteen billion, one hundred fifty-two million, four hundred forty thousand, twenty-five".