25539742754 has 16 divisors (see below), whose sum is σ = 40825790208. Its totient is φ = 11954772192.

The previous prime is 25539742751. The next prime is 25539742759. The reversal of 25539742754 is 45724793552.

It is a junction number, because it is equal to n+sod(n) for n = 25539742696 and 25539742705.

It is not an unprimeable number, because it can be changed into a prime (25539742751) 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, 5904347 + ... + 5908670.

It is an arithmetic number, because the mean of its divisors is an integer number (2551611888).

Almost surely, 2^25539742754 is an apocalyptic number.

25539742754 is a deficient number, since it is larger than the sum of its proper divisors (15286047454).

25539742754 is a wasteful number, since it uses less digits than its factorization.

25539742754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11813089.

The product of its digits is 10584000, while the sum is 53.

The spelling of 25539742754 in words is "twenty-five billion, five hundred thirty-nine million, seven hundred forty-two thousand, seven hundred fifty-four".