14992778025 has 63 divisors (see below), whose sum is σ = 27904581831. Its totient is φ = 7987332240.

The previous prime is 14992778011. The next prime is 14992778089. The reversal of 14992778025 is 52087729941.

The square root of 14992778025 is 122445.

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

14992778025 is a `hidden beast` number, since 1 + 499 + 2 + 77 + 80 + 2 + 5 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5397400089 + 9595377936 = 73467^2 + 97956^2 .

It is not a de Polignac number, because 14992778025 - 2⁷ = 14992777897 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 16529622 + ... + 16530528.

Almost surely, 2^14992778025 is an apocalyptic number.

14992778025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

14992778025 is the 122445-th square number.

14992778025 is the 61223-rd centered octagonal number.

It is an amenable number.

14992778025 is a deficient number, since it is larger than the sum of its proper divisors (12911803806).

14992778025 is an frugal number, since it uses more digits than its factorization.

14992778025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1842 (or 915 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 54.

The spelling of 14992778025 in words is "fourteen billion, nine hundred ninety-two million, seven hundred seventy-eight thousand, twenty-five".