25858355803 has 24 divisors (see below), whose sum is σ = 31046760000. Its totient is φ = 21463274448.

The previous prime is 25858355753. The next prime is 25858355833. The reversal of 25858355803 is 30855385852.

It is not a de Polignac number, because 25858355803 - 2²⁹ = 25321484891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25858355833) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126948 + ... + 260446.

It is an arithmetic number, because the mean of its divisors is an integer number (1293615000).

Almost surely, 2^25858355803 is an apocalyptic number.

25858355803 is a deficient number, since it is larger than the sum of its proper divisors (5188404197).

25858355803 is a wasteful number, since it uses less digits than its factorization.

25858355803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133639 (or 133632 counting only the distinct ones).

The product of its (nonzero) digits is 5760000, while the sum is 52.

The spelling of 25858355803 in words is "twenty-five billion, eight hundred fifty-eight million, three hundred fifty-five thousand, eight hundred three".