11613011837 has 24 divisors (see below), whose sum is σ = 13611818880. Its totient is φ = 9702776160.

The previous prime is 11613011791. The next prime is 11613011863. The reversal of 11613011837 is 73811031611.

It is not a de Polignac number, because 11613011837 - 2¹⁰ = 11613010813 is a prime.

It is a super-2 number, since 2×11613011837² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11613311837) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25081868 + ... + 25082330.

It is an arithmetic number, because the mean of its divisors is an integer number (567159120).

Almost surely, 2^11613011837 is an apocalyptic number.

It is an amenable number.

11613011837 is a deficient number, since it is larger than the sum of its proper divisors (1998807043).

11613011837 is an frugal number, since it uses more digits than its factorization.

11613011837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113 (or 650 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 32.

The spelling of 11613011837 in words is "eleven billion, six hundred thirteen million, eleven thousand, eight hundred thirty-seven".