11071557256101 has 4 divisors (see below), whose sum is σ = 14762076341472. Its totient is φ = 7381038170732.

The previous prime is 11071557256087. The next prime is 11071557256157. The reversal of 11071557256101 is 10165275517011.

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 11071557256101 - 2²² = 11071553061797 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11071557956101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1845259542681 + ... + 1845259542686.

It is an arithmetic number, because the mean of its divisors is an integer number (3690519085368).

Almost surely, 2^{11071557256101} is an apocalyptic number.

It is an amenable number.

11071557256101 is a deficient number, since it is larger than the sum of its proper divisors (3690519085371).

11071557256101 is an equidigital number, since it uses as much as digits as its factorization.

11071557256101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3690519085370.

The product of its (nonzero) digits is 73500, while the sum is 42.

The spelling of 11071557256101 in words is "eleven trillion, seventy-one billion, five hundred fifty-seven million, two hundred fifty-six thousand, one hundred one".