11137997165 has 16 divisors (see below), whose sum is σ = 13441680000. Its totient is φ = 8859736512.

The previous prime is 11137997153. The next prime is 11137997177. The reversal of 11137997165 is 56179973111.

It is an interprime number because it is at equal distance from previous prime (11137997153) and next prime (11137997177).

It is a cyclic number.

It is not a de Polignac number, because 11137997165 - 2¹⁴ = 11137980781 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2085839 + ... + 2091171.

It is an arithmetic number, because the mean of its divisors is an integer number (840105000).

Almost surely, 2^11137997165 is an apocalyptic number.

It is an amenable number.

11137997165 is a deficient number, since it is larger than the sum of its proper divisors (2303682835).

11137997165 is a wasteful number, since it uses less digits than its factorization.

11137997165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7636.

The product of its digits is 357210, while the sum is 50.

The spelling of 11137997165 in words is "eleven billion, one hundred thirty-seven million, nine hundred ninety-seven thousand, one hundred sixty-five".