11157523551611 has 8 divisors (see below), whose sum is σ = 11429702094384. Its totient is φ = 10885347095680.

The previous prime is 11157523551607. The next prime is 11157523551649. The reversal of 11157523551611 is 11615532575111.

11157523551611 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 11157523551611 - 2² = 11157523551607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11157523551661) 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, 20917916 + ... + 21444678.

It is an arithmetic number, because the mean of its divisors is an integer number (1428712761798).

Almost surely, 2^{11157523551611} is an apocalyptic number.

11157523551611 is a deficient number, since it is larger than the sum of its proper divisors (272178542773).

11157523551611 is an equidigital number, since it uses as much as digits as its factorization.

11157523551611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043421.

The product of its digits is 157500, while the sum is 44.

The spelling of 11157523551611 in words is "eleven trillion, one hundred fifty-seven billion, five hundred twenty-three million, five hundred fifty-one thousand, six hundred eleven".