25511150479 has 12 divisors (see below), whose sum is σ = 26010433800. Its totient is φ = 25014254384.

The previous prime is 25511150477. The next prime is 25511150507. The reversal of 25511150479 is 97405111552.

It is not a de Polignac number, because 25511150479 - 2¹ = 25511150477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25511150471) 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, 14926677 + ... + 14928385.

It is an arithmetic number, because the mean of its divisors is an integer number (2167536150).

Almost surely, 2^25511150479 is an apocalyptic number.

25511150479 is a deficient number, since it is larger than the sum of its proper divisors (499283321).

25511150479 is an frugal number, since it uses more digits than its factorization.

25511150479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2774 (or 2271 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 40.

The spelling of 25511150479 in words is "twenty-five billion, five hundred eleven million, one hundred fifty thousand, four hundred seventy-nine".