11577801801 has 32 divisors (see below), whose sum is σ = 16497561600. Its totient is φ = 7206584000.

The previous prime is 11577801793. The next prime is 11577801881. The reversal of 11577801801 is 10810877511.

It is a cyclic number.

It is not a de Polignac number, because 11577801801 - 2³ = 11577801793 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11577801801.

It is not an unprimeable number, because it can be changed into a prime (11577801881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 483100 + ... + 506498.

It is an arithmetic number, because the mean of its divisors is an integer number (515548800).

Almost surely, 2^11577801801 is an apocalyptic number.

It is an amenable number.

11577801801 is a deficient number, since it is larger than the sum of its proper divisors (4919759799).

11577801801 is a wasteful number, since it uses less digits than its factorization.

11577801801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23597.

The product of its (nonzero) digits is 15680, while the sum is 39.

The spelling of 11577801801 in words is "eleven billion, five hundred seventy-seven million, eight hundred one thousand, eight hundred one".