25658058101 has 12 divisors (see below), whose sum is σ = 27862349508. Its totient is φ = 23617211904.

The previous prime is 25658058091. The next prime is 25658058103. The reversal of 25658058101 is 10185085652.

It can be written as a sum of positive squares in 6 ways, for example, as 10528812100 + 15129246001 = 102610^2 + 123001^2 .

It is a de Polignac number, because none of the positive numbers 2^k-25658058101 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 (25658058103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 155390 + ... + 274703.

It is an arithmetic number, because the mean of its divisors is an integer number (2321862459).

Almost surely, 2^25658058101 is an apocalyptic number.

It is an amenable number.

25658058101 is a deficient number, since it is larger than the sum of its proper divisors (2204291407).

25658058101 is a wasteful number, since it uses less digits than its factorization.

25658058101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430472 (or 430459 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 41.

The spelling of 25658058101 in words is "twenty-five billion, six hundred fifty-eight million, fifty-eight thousand, one hundred one".