25105135222453 has 16 divisors (see below), whose sum is σ = 29496059320896. Its totient is φ = 21065878880640.

The previous prime is 25105135222429. The next prime is 25105135222481. The reversal of 25105135222453 is 35422253150152.

It is a de Polignac number, because none of the positive numbers 2^k-25105135222453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25105135225453) 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, 3483976 + ... + 7896097.

It is an arithmetic number, because the mean of its divisors is an integer number (1843503707556).

Almost surely, 2^{25105135222453} is an apocalyptic number.

It is an amenable number.

25105135222453 is a deficient number, since it is larger than the sum of its proper divisors (4390924098443).

25105135222453 is a wasteful number, since it uses less digits than its factorization.

25105135222453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11395524.

The product of its (nonzero) digits is 360000, while the sum is 40.

The spelling of 25105135222453 in words is "twenty-five trillion, one hundred five billion, one hundred thirty-five million, two hundred twenty-two thousand, four hundred fifty-three".