25245540253454 has 16 divisors (see below), whose sum is σ = 39292724406768. Its totient is φ = 12154999594752.

The previous prime is 25245540253447. The next prime is 25245540253559. The reversal of 25245540253454 is 45435204554252.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1758528644 + ... + 1758542999.

It is an arithmetic number, because the mean of its divisors is an integer number (2455795275423).

Almost surely, 2^{25245540253454} is an apocalyptic number.

25245540253454 is a deficient number, since it is larger than the sum of its proper divisors (14047184153314).

25245540253454 is a wasteful number, since it uses less digits than its factorization.

25245540253454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3517071779.

The product of its (nonzero) digits is 19200000, while the sum is 50.

The spelling of 25245540253454 in words is "twenty-five trillion, two hundred forty-five billion, five hundred forty million, two hundred fifty-three thousand, four hundred fifty-four".