137656743111 has 8 divisors (see below), whose sum is σ = 203935915760. Its totient is φ = 91771162056.

The previous prime is 137656743097. The next prime is 137656743113. The reversal of 137656743111 is 111347656731.

137656743111 is a `hidden beast` number, since 1 + 3 + 76 + 567 + 4 + 3 + 1 + 11 = 666.

It is not a de Polignac number, because 137656743111 - 2⁷ = 137656742983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137656743113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2549198920 + ... + 2549198973.

It is an arithmetic number, because the mean of its divisors is an integer number (25491989470).

Almost surely, 2^137656743111 is an apocalyptic number.

137656743111 is a deficient number, since it is larger than the sum of its proper divisors (66279172649).

137656743111 is an equidigital number, since it uses as much as digits as its factorization.

137656743111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5098397902 (or 5098397896 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The spelling of 137656743111 in words is "one hundred thirty-seven billion, six hundred fifty-six million, seven hundred forty-three thousand, one hundred eleven".