11261447525 has 6 divisors (see below), whose sum is σ = 13964194962. Its totient is φ = 9009158000.

The previous prime is 11261447489. The next prime is 11261447537. The reversal of 11261447525 is 52574416211.

It can be written as a sum of positive squares in 3 ways, for example, as 41977441 + 11219470084 = 6479^2 + 105922^2 .

It is not a de Polignac number, because 11261447525 - 2¹⁰ = 11261446501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 225228926 + ... + 225228975.

It is an arithmetic number, because the mean of its divisors is an integer number (2327365827).

Almost surely, 2^11261447525 is an apocalyptic number.

It is an amenable number.

11261447525 is a deficient number, since it is larger than the sum of its proper divisors (2702747437).

11261447525 is an equidigital number, since it uses as much as digits as its factorization.

11261447525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450457911 (or 450457906 counting only the distinct ones).

The product of its digits is 67200, while the sum is 38.

The spelling of 11261447525 in words is "eleven billion, two hundred sixty-one million, four hundred forty-seven thousand, five hundred twenty-five".