11505351316 has 6 divisors (see below), whose sum is σ = 20134364810. Its totient is φ = 5752675656.

The previous prime is 11505351301. The next prime is 11505351359. The reversal of 11505351316 is 61315350511.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9235210000 + 2270141316 = 96100^2 + 47646^2 .

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, 1438168911 + ... + 1438168918.

Almost surely, 2^11505351316 is an apocalyptic number.

It is an amenable number.

11505351316 is a deficient number, since it is larger than the sum of its proper divisors (8629013494).

11505351316 is a wasteful number, since it uses less digits than its factorization.

11505351316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2876337833 (or 2876337831 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 31.

The spelling of 11505351316 in words is "eleven billion, five hundred five million, three hundred fifty-one thousand, three hundred sixteen".