11575254477 has 4 divisors (see below), whose sum is σ = 15433672640. Its totient is φ = 7716836316.

The previous prime is 11575254473. The next prime is 11575254479. The reversal of 11575254477 is 77445257511.

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 not a de Polignac number, because 11575254477 - 2² = 11575254473 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 (11575254473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1929209077 + ... + 1929209082.

It is an arithmetic number, because the mean of its divisors is an integer number (3858418160).

Almost surely, 2^11575254477 is an apocalyptic number.

It is an amenable number.

11575254477 is a deficient number, since it is larger than the sum of its proper divisors (3858418163).

11575254477 is an equidigital number, since it uses as much as digits as its factorization.

11575254477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3858418162.

The product of its digits is 1372000, while the sum is 48.

The spelling of 11575254477 in words is "eleven billion, five hundred seventy-five million, two hundred fifty-four thousand, four hundred seventy-seven".