25723545675 has 24 divisors (see below), whose sum is σ = 44767997760. Its totient is φ = 12997159200.

The previous prime is 25723545649. The next prime is 25723545689. The reversal of 25723545675 is 57654532752.

It is not a de Polignac number, because 25723545675 - 2¹² = 25723541579 is a prime.

It is a super-2 number, since 2×25723545675² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9024381 + ... + 9027230.

It is an arithmetic number, because the mean of its divisors is an integer number (1865333240).

Almost surely, 2^25723545675 is an apocalyptic number.

25723545675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25723545675 is a deficient number, since it is larger than the sum of its proper divisors (19044452085).

25723545675 is a wasteful number, since it uses less digits than its factorization.

25723545675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18051643 (or 18051638 counting only the distinct ones).

The product of its digits is 8820000, while the sum is 51.

The spelling of 25723545675 in words is "twenty-five billion, seven hundred twenty-three million, five hundred forty-five thousand, six hundred seventy-five".