25140959554 has 16 divisors (see below), whose sum is σ = 40266211392. Its totient is φ = 11744309808.

The previous prime is 25140959533. The next prime is 25140959587. The reversal of 25140959554 is 45595904152.

It is a junction number, because it is equal to n+sod(n) for n = 25140959498 and 25140959507.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6353169 + ... + 6357124.

It is an arithmetic number, because the mean of its divisors is an integer number (2516638212).

Almost surely, 2^25140959554 is an apocalyptic number.

25140959554 is a deficient number, since it is larger than the sum of its proper divisors (15125251838).

25140959554 is a wasteful number, since it uses less digits than its factorization.

25140959554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12710361.

The product of its (nonzero) digits is 1620000, while the sum is 49.

The spelling of 25140959554 in words is "twenty-five billion, one hundred forty million, nine hundred fifty-nine thousand, five hundred fifty-four".