11400244525 has 12 divisors (see below), whose sum is σ = 14137627252. Its totient is φ = 9119341440.

The previous prime is 11400244519. The next prime is 11400244553. The reversal of 11400244525 is 52544200411.

It can be written as a sum of positive squares in 6 ways, for example, as 2777079204 + 8623165321 = 52698^2 + 92861^2 .

It is not a de Polignac number, because 11400244525 - 2³ = 11400244517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11400244493 and 11400244502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 519067 + ... + 540583.

Almost surely, 2^11400244525 is an apocalyptic number.

It is an amenable number.

11400244525 is a deficient number, since it is larger than the sum of its proper divisors (2737382727).

11400244525 is a wasteful number, since it uses less digits than its factorization.

11400244525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42720 (or 42715 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 11400244525 its reverse (52544200411), we get a palindrome (63944444936).

The spelling of 11400244525 in words is "eleven billion, four hundred million, two hundred forty-four thousand, five hundred twenty-five".