11542963388 has 24 divisors (see below), whose sum is σ = 22397826864. Its totient is φ = 5160787200.

The previous prime is 11542963357. The next prime is 11542963457. The reversal of 11542963388 is 88336924511.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2147645 + ... + 2153012.

It is an arithmetic number, because the mean of its divisors is an integer number (933242786).

Almost surely, 2^11542963388 is an apocalyptic number.

It is an amenable number.

11542963388 is a deficient number, since it is larger than the sum of its proper divisors (10854863476).

11542963388 is a wasteful number, since it uses less digits than its factorization.

11542963388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4300733 (or 4300731 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 50.

The spelling of 11542963388 in words is "eleven billion, five hundred forty-two million, nine hundred sixty-three thousand, three hundred eighty-eight".