25793291145 has 16 divisors (see below), whose sum is σ = 41403700800. Its totient is φ = 13711610304.

The previous prime is 25793291137. The next prime is 25793291159. The reversal of 25793291145 is 54119239752.

It is not a de Polignac number, because 25793291145 - 2³ = 25793291137 is a prime.

It is a super-2 number, since 2×25793291145² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25793291094 and 25793291103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2795970 + ... + 2805179.

It is an arithmetic number, because the mean of its divisors is an integer number (2587731300).

Almost surely, 2^25793291145 is an apocalyptic number.

It is an amenable number.

25793291145 is a deficient number, since it is larger than the sum of its proper divisors (15610409655).

25793291145 is a wasteful number, since it uses less digits than its factorization.

25793291145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5601464.

The product of its digits is 680400, while the sum is 48.

The spelling of 25793291145 in words is "twenty-five billion, seven hundred ninety-three million, two hundred ninety-one thousand, one hundred forty-five".