25404747411 has 16 divisors (see below), whose sum is σ = 36805975040. Its totient is φ = 15527518560.

The previous prime is 25404747391. The next prime is 25404747437. The reversal of 25404747411 is 11474740452.

It is a happy number.

It is not a de Polignac number, because 25404747411 - 2¹⁰ = 25404746387 is a prime.

It is a super-2 number, since 2×25404747411² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25404747411.

It is not an unprimeable number, because it can be changed into a prime (25404747491) 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, 7186900 + ... + 7190433.

It is an arithmetic number, because the mean of its divisors is an integer number (2300373440).

Almost surely, 2^25404747411 is an apocalyptic number.

25404747411 is a deficient number, since it is larger than the sum of its proper divisors (11401227629).

25404747411 is a wasteful number, since it uses less digits than its factorization.

25404747411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14377386.

The product of its (nonzero) digits is 125440, while the sum is 39.

The spelling of 25404747411 in words is "twenty-five billion, four hundred four million, seven hundred forty-seven thousand, four hundred eleven".