25101509053 has 4 divisors (see below), whose sum is σ = 25132009888. Its totient is φ = 25071008220.

The previous prime is 25101509047. The next prime is 25101509099. The reversal of 25101509053 is 35090510152.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25101509053 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 (25101599053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15249183 + ... + 15250828.

It is an arithmetic number, because the mean of its divisors is an integer number (6283002472).

Almost surely, 2^25101509053 is an apocalyptic number.

It is an amenable number.

25101509053 is a deficient number, since it is larger than the sum of its proper divisors (30500835).

25101509053 is an equidigital number, since it uses as much as digits as its factorization.

25101509053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30500834.

The product of its (nonzero) digits is 6750, while the sum is 31.

The spelling of 25101509053 in words is "twenty-five billion, one hundred one million, five hundred nine thousand, fifty-three".