11525738887 has 8 divisors (see below), whose sum is σ = 12414081680. Its totient is φ = 10637645760.

The previous prime is 11525738839. The next prime is 11525738893. The reversal of 11525738887 is 78883752511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11525738887 - 2⁷ = 11525738759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11525718887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39664 + ... + 156922.

It is an arithmetic number, because the mean of its divisors is an integer number (1551760210).

Almost surely, 2^11525738887 is an apocalyptic number.

11525738887 is a deficient number, since it is larger than the sum of its proper divisors (888342793).

11525738887 is a wasteful number, since it uses less digits than its factorization.

11525738887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124833.

The product of its digits is 3763200, while the sum is 55.

The spelling of 11525738887 in words is "eleven billion, five hundred twenty-five million, seven hundred thirty-eight thousand, eight hundred eighty-seven".