11558870520377 has 4 divisors (see below), whose sum is σ = 11609790655056. Its totient is φ = 11507950385700.

The previous prime is 11558870520371. The next prime is 11558870520413. The reversal of 11558870520377 is 77302507885511.

It is a happy number.

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 11558870520377 - 2⁶ = 11558870520313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11558870520371) 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, 25460066999 + ... + 25460067452.

It is an arithmetic number, because the mean of its divisors is an integer number (2902447663764).

Almost surely, 2^{11558870520377} is an apocalyptic number.

It is an amenable number.

11558870520377 is a deficient number, since it is larger than the sum of its proper divisors (50920134679).

11558870520377 is an equidigital number, since it uses as much as digits as its factorization.

11558870520377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50920134678.

The product of its (nonzero) digits is 16464000, while the sum is 59.

The spelling of 11558870520377 in words is "eleven trillion, five hundred fifty-eight billion, eight hundred seventy million, five hundred twenty thousand, three hundred seventy-seven".