11927248525 has 24 divisors (see below), whose sum is σ = 15224353704. Its totient is φ = 9265152000.

The previous prime is 11927248523. The next prime is 11927248547. The reversal of 11927248525 is 52584272911.

It can be written as a sum of positive squares in 12 ways, for example, as 1076692969 + 10850555556 = 32813^2 + 104166^2 .

It is not a de Polignac number, because 11927248525 - 2¹ = 11927248523 is a prime.

It is a super-2 number, since 2×11927248525² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11927248523) 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, 82125 + ... + 174925.

It is an arithmetic number, because the mean of its divisors is an integer number (634348071).

Almost surely, 2^11927248525 is an apocalyptic number.

It is an amenable number.

11927248525 is a deficient number, since it is larger than the sum of its proper divisors (3297105179).

11927248525 is an equidigital number, since it uses as much as digits as its factorization.

11927248525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92961 (or 92956 counting only the distinct ones).

The product of its digits is 403200, while the sum is 46.

The spelling of 11927248525 in words is "eleven billion, nine hundred twenty-seven million, two hundred forty-eight thousand, five hundred twenty-five".