25090562811 has 32 divisors (see below), whose sum is σ = 33976800000. Its totient is φ = 16468421760.

The previous prime is 25090562807. The next prime is 25090562821. The reversal of 25090562811 is 11826509052.

It is not a de Polignac number, because 25090562811 - 2² = 25090562807 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25090562811.

It is not an unprimeable number, because it can be changed into a prime (25090562801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43941156 + ... + 43941726.

It is an arithmetic number, because the mean of its divisors is an integer number (1061775000).

Almost surely, 2^25090562811 is an apocalyptic number.

25090562811 is a deficient number, since it is larger than the sum of its proper divisors (8886237189).

25090562811 is a wasteful number, since it uses less digits than its factorization.

25090562811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419.

The product of its (nonzero) digits is 43200, while the sum is 39.

The spelling of 25090562811 in words is "twenty-five billion, ninety million, five hundred sixty-two thousand, eight hundred eleven".