25562479145 has 16 divisors (see below), whose sum is σ = 35803012608. Its totient is φ = 17155608000.

The previous prime is 25562479139. The next prime is 25562479147. The reversal of 25562479145 is 54197426552.

It is not a de Polignac number, because 25562479145 - 2³⁰ = 24488737321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25562479093 and 25562479102.

It is not an unprimeable number, because it can be changed into a prime (25562479147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7768106 + ... + 7771395.

It is an arithmetic number, because the mean of its divisors is an integer number (2237688288).

Almost surely, 2^25562479145 is an apocalyptic number.

It is an amenable number.

25562479145 is a deficient number, since it is larger than the sum of its proper divisors (10240533463).

25562479145 is a wasteful number, since it uses less digits than its factorization.

25562479145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15539560.

The product of its digits is 3024000, while the sum is 50.

The spelling of 25562479145 in words is "twenty-five billion, five hundred sixty-two million, four hundred seventy-nine thousand, one hundred forty-five".