25125002515249 has 16 divisors (see below), whose sum is σ = 30936891381760. Its totient is φ = 19870244136000.

The previous prime is 25125002515237. The next prime is 25125002515271. The reversal of 25125002515249 is 94251520052152.

It is a cyclic number.

It is not a de Polignac number, because 25125002515249 - 2¹¹ = 25125002513201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25125002515049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61453002 + ... + 61860499.

It is an arithmetic number, because the mean of its divisors is an integer number (1933555711360).

Almost surely, 2^{25125002515249} is an apocalyptic number.

It is an amenable number.

25125002515249 is a deficient number, since it is larger than the sum of its proper divisors (5811888866511).

25125002515249 is a wasteful number, since it uses less digits than its factorization.

25125002515249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123315760.

The product of its (nonzero) digits is 360000, while the sum is 43.

The spelling of 25125002515249 in words is "twenty-five trillion, one hundred twenty-five billion, two million, five hundred fifteen thousand, two hundred forty-nine".