25275015139 has 8 divisors (see below), whose sum is σ = 28462187520. Its totient is φ = 22236083400.

The previous prime is 25275015137. The next prime is 25275015223. The reversal of 25275015139 is 93151057252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25275015139 - 2¹ = 25275015137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25275015137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37059799 + ... + 37060480.

It is an arithmetic number, because the mean of its divisors is an integer number (3557773440).

Almost surely, 2^25275015139 is an apocalyptic number.

25275015139 is a deficient number, since it is larger than the sum of its proper divisors (3187172381).

25275015139 is a wasteful number, since it uses less digits than its factorization.

25275015139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74120321.

The product of its (nonzero) digits is 94500, while the sum is 40.

The spelling of 25275015139 in words is "twenty-five billion, two hundred seventy-five million, fifteen thousand, one hundred thirty-nine".