11477808137 has 4 divisors (see below), whose sum is σ = 11483586576. Its totient is φ = 11472029700.

The previous prime is 11477808131. The next prime is 11477808149. The reversal of 11477808137 is 73180877411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73180877411 = 6389 ⋅11454199.

It is a cyclic number.

It is not a de Polignac number, because 11477808137 - 2¹⁰ = 11477807113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11477808091 and 11477808100.

It is not an unprimeable number, because it can be changed into a prime (11477808131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2886239 + ... + 2890212.

It is an arithmetic number, because the mean of its divisors is an integer number (2870896644).

Almost surely, 2^11477808137 is an apocalyptic number.

It is an amenable number.

11477808137 is a deficient number, since it is larger than the sum of its proper divisors (5778439).

11477808137 is an equidigital number, since it uses as much as digits as its factorization.

11477808137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5778438.

The product of its (nonzero) digits is 263424, while the sum is 47.

The spelling of 11477808137 in words is "eleven billion, four hundred seventy-seven million, eight hundred eight thousand, one hundred thirty-seven".