11876538732457 has 4 divisors (see below), whose sum is σ = 13573187122816. Its totient is φ = 10179890342100.

The previous prime is 11876538732449. The next prime is 11876538732493. The reversal of 11876538732457 is 75423783567811.

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.

It is a cyclic number.

It is not a de Polignac number, because 11876538732457 - 2³ = 11876538732449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11876538732392 and 11876538732401.

It is not an unprimeable number, because it can be changed into a prime (11876538732557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 848324195169 + ... + 848324195182.

It is an arithmetic number, because the mean of its divisors is an integer number (3393296780704).

Almost surely, 2^{11876538732457} is an apocalyptic number.

It is an amenable number.

11876538732457 is a deficient number, since it is larger than the sum of its proper divisors (1696648390359).

11876538732457 is an equidigital number, since it uses as much as digits as its factorization.

11876538732457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696648390358.

The product of its digits is 237081600, while the sum is 67.

The spelling of 11876538732457 in words is "eleven trillion, eight hundred seventy-six billion, five hundred thirty-eight million, seven hundred thirty-two thousand, four hundred fifty-seven".