11887233541 has 8 divisors (see below), whose sum is σ = 12189034584. Its totient is φ = 11588881920.

The previous prime is 11887233521. The next prime is 11887233563. The reversal of 11887233541 is 14533278811.

It can be written as a sum of positive squares in 4 ways, for example, as 3953768641 + 7933464900 = 62879^2 + 89070^2 .

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 11887233541 - 2²⁹ = 11350362629 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 (11887233521) 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, 855376 + ... + 869161.

It is an arithmetic number, because the mean of its divisors is an integer number (1523629323).

Almost surely, 2^11887233541 is an apocalyptic number.

It is an amenable number.

11887233541 is a deficient number, since it is larger than the sum of its proper divisors (301801043).

11887233541 is a wasteful number, since it uses less digits than its factorization.

11887233541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1724711.

The product of its digits is 161280, while the sum is 43.

The spelling of 11887233541 in words is "eleven billion, eight hundred eighty-seven million, two hundred thirty-three thousand, five hundred forty-one".