25134420455 has 16 divisors (see below), whose sum is σ = 30483623808. Its totient is φ = 19893588000.

The previous prime is 25134420403. The next prime is 25134420461. The reversal of 25134420455 is 55402443152.

It is not a de Polignac number, because 25134420455 - 2¹⁶ = 25134354919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158840 + ... + 274770.

It is an arithmetic number, because the mean of its divisors is an integer number (1905226488).

Almost surely, 2^25134420455 is an apocalyptic number.

25134420455 is a deficient number, since it is larger than the sum of its proper divisors (5349203353).

25134420455 is a wasteful number, since it uses less digits than its factorization.

25134420455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116398.

The product of its (nonzero) digits is 96000, while the sum is 35.

The spelling of 25134420455 in words is "twenty-five billion, one hundred thirty-four million, four hundred twenty thousand, four hundred fifty-five".