11738639025 has 81 divisors (see below), whose sum is σ = 21818959617. Its totient is φ = 6032649600.

The previous prime is 11738638999. The next prime is 11738639027. The reversal of 11738639025 is 52093683711.

11738639025 = 1³ + 2³ + ... + 465³.

The square root of 11738639025 is 108345.

It is a perfect power (a square), and thus also a powerful number.

11738639025 is a `hidden beast` number, since 1 + 1 + 7 + 3 + 8 + 639 + 0 + 2 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2311782561 + 9426856464 = 48081^2 + 97092^2 .

It is not a de Polignac number, because 11738639025 - 2⁷ = 11738638897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11738639027) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 50380309 + ... + 50380541.

Almost surely, 2^11738639025 is an apocalyptic number.

11738639025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11738639025 is the 108345-th square number.

11738639025 is the 54173-rd centered octagonal number.

It is an amenable number.

11738639025 is a deficient number, since it is larger than the sum of its proper divisors (10080320592).

11738639025 is an equidigital number, since it uses as much as digits as its factorization.

11738639025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 11738639025 in words is "eleven billion, seven hundred thirty-eight million, six hundred thirty-nine thousand, twenty-five".