11135543764 has 6 divisors (see below), whose sum is σ = 19487201594. Its totient is φ = 5567771880.

The previous prime is 11135543753. The next prime is 11135543831. The reversal of 11135543764 is 46734553111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10138878864 + 996664900 = 100692^2 + 31570^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1391942967 + ... + 1391942974.

Almost surely, 2^11135543764 is an apocalyptic number.

It is an amenable number.

11135543764 is a deficient number, since it is larger than the sum of its proper divisors (8351657830).

11135543764 is a wasteful number, since it uses less digits than its factorization.

11135543764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2783885945 (or 2783885943 counting only the distinct ones).

The product of its digits is 151200, while the sum is 40.

The spelling of 11135543764 in words is "eleven billion, one hundred thirty-five million, five hundred forty-three thousand, seven hundred sixty-four".