11361859137 has 12 divisors (see below), whose sum is σ = 16412532864. Its totient is φ = 7574130360.

The previous prime is 11361859123. The next prime is 11361859141. The reversal of 11361859137 is 73195816311.

11361859137 is a `hidden beast` number, since 1 + 13 + 6 + 18 + 591 + 37 = 666.

It is not a de Polignac number, because 11361859137 - 2¹⁹ = 11361334849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11361859092 and 11361859101.

It is not an unprimeable number, because it can be changed into a prime (11361852137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 219928 + ... + 266630.

It is an arithmetic number, because the mean of its divisors is an integer number (1367711072).

Almost surely, 2^11361859137 is an apocalyptic number.

It is an amenable number.

11361859137 is a deficient number, since it is larger than the sum of its proper divisors (5050673727).

11361859137 is a wasteful number, since it uses less digits than its factorization.

11361859137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73740 (or 73737 counting only the distinct ones).

The product of its digits is 136080, while the sum is 45.

The spelling of 11361859137 in words is "eleven billion, three hundred sixty-one million, eight hundred fifty-nine thousand, one hundred thirty-seven".