25374172111 has 8 divisors (see below), whose sum is σ = 26508271104. Its totient is φ = 24259796760.

The previous prime is 25374171983. The next prime is 25374172121. The reversal of 25374172111 is 11127147352.

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 25374172111 - 2⁷ = 25374171983 is a prime.

It is a super-2 number, since 2×25374172111² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25374172121) 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, 4928281 + ... + 4933426.

It is an arithmetic number, because the mean of its divisors is an integer number (3313533888).

Almost surely, 2^25374172111 is an apocalyptic number.

25374172111 is a deficient number, since it is larger than the sum of its proper divisors (1134098993).

25374172111 is an equidigital number, since it uses as much as digits as its factorization.

25374172111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9861821.

The product of its digits is 11760, while the sum is 34.

The spelling of 25374172111 in words is "twenty-five billion, three hundred seventy-four million, one hundred seventy-two thousand, one hundred eleven".