11385111837 has 32 divisors (see below), whose sum is σ = 17546578560. Its totient is φ = 6489630720.

The previous prime is 11385111833. The next prime is 11385111869. The reversal of 11385111837 is 73811158311.

It is not a de Polignac number, because 11385111837 - 2² = 11385111833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11385111795 and 11385111804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11385111833) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 896343 + ... + 908955.

It is an arithmetic number, because the mean of its divisors is an integer number (548330580).

Almost surely, 2^11385111837 is an apocalyptic number.

11385111837 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11385111837 is a deficient number, since it is larger than the sum of its proper divisors (6161466723).

11385111837 is a wasteful number, since it uses less digits than its factorization.

11385111837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14253.

The product of its digits is 20160, while the sum is 39.

The spelling of 11385111837 in words is "eleven billion, three hundred eighty-five million, one hundred eleven thousand, eight hundred thirty-seven".