25700463261 has 12 divisors (see below), whose sum is σ = 40497699840. Its totient is φ = 15576038280.

The previous prime is 25700463223. The next prime is 25700463277. The reversal of 25700463261 is 16236400752.

25700463261 is a `hidden beast` number, since 2 + 570 + 0 + 4 + 63 + 26 + 1 = 666.

It is not a de Polignac number, because 25700463261 - 2³⁴ = 8520594077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25700463361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129800221 + ... + 129800418.

It is an arithmetic number, because the mean of its divisors is an integer number (3374808320).

Almost surely, 2^25700463261 is an apocalyptic number.

It is an amenable number.

25700463261 is a deficient number, since it is larger than the sum of its proper divisors (14797236579).

25700463261 is a wasteful number, since it uses less digits than its factorization.

25700463261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259600656 (or 259600653 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 25700463261 in words is "twenty-five billion, seven hundred million, four hundred sixty-three thousand, two hundred sixty-one".