25000075000057 has 4 divisors (see below), whose sum is σ = 25004061623296. Its totient is φ = 24996088376820.

The previous prime is 25000075000031. The next prime is 25000075000067. The reversal of 25000075000057 is 75000057000052.

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 not a de Polignac number, because 25000075000057 - 2¹¹ = 25000074998009 is a prime.

It is the 5000008-th Hogben number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25000074999992 and 25000075000028.

It is not an unprimeable number, because it can be changed into a prime (25000075000067) by changing a digit.

It is a nontrivial repunit in base 5000007.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1993302213 + ... + 1993314754.

It is an arithmetic number, because the mean of its divisors is an integer number (6251015405824).

Almost surely, 2^{25000075000057} is an apocalyptic number.

It is an amenable number.

25000075000057 is a deficient number, since it is larger than the sum of its proper divisors (3986623239).

25000075000057 is an equidigital number, since it uses as much as digits as its factorization.

25000075000057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3986623238.

The product of its (nonzero) digits is 12250, while the sum is 31.

The spelling of 25000075000057 in words is "twenty-five trillion, seventy-five million, fifty-seven", and thus it is an aban number and an uban number.