11757121577 has 8 divisors (see below), whose sum is σ = 12278312640. Its totient is φ = 11236764880.

The previous prime is 11757121567. The next prime is 11757121589. The reversal of 11757121577 is 77512175711.

11757121577 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11757121577 - 2¹⁰ = 11757120553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11757121547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179699 + ... + 236232.

It is an arithmetic number, because the mean of its divisors is an integer number (1534789080).

Almost surely, 2^11757121577 is an apocalyptic number.

It is an amenable number.

11757121577 is a deficient number, since it is larger than the sum of its proper divisors (521191063).

11757121577 is a wasteful number, since it uses less digits than its factorization.

11757121577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417183.

The product of its digits is 120050, while the sum is 44.

The spelling of 11757121577 in words is "eleven billion, seven hundred fifty-seven million, one hundred twenty-one thousand, five hundred seventy-seven".