11557110001 has 8 divisors (see below), whose sum is σ = 11618982144. Its totient is φ = 11495270640.

The previous prime is 11557109999. The next prime is 11557110023. The reversal of 11557110001 is 10001175511.

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 11557110001 - 2¹ = 11557109999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11557110091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1072426 + ... + 1083148.

It is an arithmetic number, because the mean of its divisors is an integer number (1452372768).

Almost surely, 2^11557110001 is an apocalyptic number.

It is an amenable number.

11557110001 is a deficient number, since it is larger than the sum of its proper divisors (61872143).

11557110001 is a wasteful number, since it uses less digits than its factorization.

11557110001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16391.

The product of its (nonzero) digits is 175, while the sum is 22.

Adding to 11557110001 its reverse (10001175511), we get a palindrome (21558285512).

The spelling of 11557110001 in words is "eleven billion, five hundred fifty-seven million, one hundred ten thousand, one".