25264263543 has 16 divisors (see below), whose sum is σ = 35427065856. Its totient is φ = 15983684640.

The previous prime is 25264263469. The next prime is 25264263553. The reversal of 25264263543 is 34536246252.

It is not a de Polignac number, because 25264263543 - 2⁸ = 25264263287 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25264263495 and 25264263504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25264263553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1432768 + ... + 1450293.

It is an arithmetic number, because the mean of its divisors is an integer number (2214191616).

Almost surely, 2^25264263543 is an apocalyptic number.

25264263543 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

25264263543 is a deficient number, since it is larger than the sum of its proper divisors (10162802313).

25264263543 is a wasteful number, since it uses less digits than its factorization.

25264263543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2883214.

The product of its digits is 1036800, while the sum is 42.

The spelling of 25264263543 in words is "twenty-five billion, two hundred sixty-four million, two hundred sixty-three thousand, five hundred forty-three".