25683133157 has 8 divisors (see below), whose sum is σ = 28037614752. Its totient is φ = 23331926800.

The previous prime is 25683133153. The next prime is 25683133159. The reversal of 25683133157 is 75133138652.

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 25683133157 - 2² = 25683133153 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 (25683133153) 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, 802394 + ... + 833787.

It is an arithmetic number, because the mean of its divisors is an integer number (3504701844).

Almost surely, 2^25683133157 is an apocalyptic number.

It is an amenable number.

25683133157 is a deficient number, since it is larger than the sum of its proper divisors (2354481595).

25683133157 is a wasteful number, since it uses less digits than its factorization.

25683133157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637619.

The product of its digits is 453600, while the sum is 44.

The spelling of 25683133157 in words is "twenty-five billion, six hundred eighty-three million, one hundred thirty-three thousand, one hundred fifty-seven".