25831673061 has 8 divisors (see below), whose sum is σ = 34443630144. Its totient is φ = 17220415680.

The previous prime is 25831673033. The next prime is 25831673081. The reversal of 25831673061 is 16037613852.

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

It is not a de Polignac number, because 25831673061 - 2⁵ = 25831673029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25831673011) 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, 81681 + ... + 241526.

It is an arithmetic number, because the mean of its divisors is an integer number (4305453768).

Almost surely, 2^25831673061 is an apocalyptic number.

It is an amenable number.

25831673061 is a deficient number, since it is larger than the sum of its proper divisors (8611957083).

25831673061 is a wasteful number, since it uses less digits than its factorization.

25831673061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349851.

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 25831673061 in words is "twenty-five billion, eight hundred thirty-one million, six hundred seventy-three thousand, sixty-one".