25770751545 has 96 divisors (see below), whose sum is σ = 54130446720. Its totient is φ = 10340520960.

The previous prime is 25770751543. The next prime is 25770751549. The reversal of 25770751545 is 54515707752.

It is not a de Polignac number, because 25770751545 - 2¹ = 25770751543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25770751494 and 25770751503.

It is not an unprimeable number, because it can be changed into a prime (25770751543) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 179509 + ... + 289421.

It is an arithmetic number, because the mean of its divisors is an integer number (563858820).

Almost surely, 2^25770751545 is an apocalyptic number.

It is an amenable number.

25770751545 is an abundant number, since it is smaller than the sum of its proper divisors (28359695175).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25770751545 is a wasteful number, since it uses less digits than its factorization.

25770751545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109975 (or 109968 counting only the distinct ones).

The product of its (nonzero) digits is 1715000, while the sum is 48.

The spelling of 25770751545 in words is "twenty-five billion, seven hundred seventy million, seven hundred fifty-one thousand, five hundred forty-five".