25253127579405 has 64 divisors (see below), whose sum is σ = 44421279952896. Its totient is φ = 12148664736000.

The previous prime is 25253127579391. The next prime is 25253127579409. The reversal of 25253127579405 is 50497572135252.

It is not a de Polignac number, because 25253127579405 - 2⁹ = 25253127578893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25253127579409) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 151026907 + ... + 151194023.

It is an arithmetic number, because the mean of its divisors is an integer number (694082499264).

Almost surely, 2^{25253127579405} is an apocalyptic number.

It is an amenable number.

25253127579405 is a deficient number, since it is larger than the sum of its proper divisors (19168152373491).

25253127579405 is a wasteful number, since it uses less digits than its factorization.

25253127579405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174258.

The product of its (nonzero) digits is 26460000, while the sum is 57.

The spelling of 25253127579405 in words is "twenty-five trillion, two hundred fifty-three billion, one hundred twenty-seven million, five hundred seventy-nine thousand, four hundred five".