11057223631637 has 4 divisors (see below), whose sum is σ = 11061753426636. Its totient is φ = 11052693836640.

The previous prime is 11057223631613. The next prime is 11057223631639. The reversal of 11057223631637 is 73613632275011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1200600126961 + 9856623504676 = 1095719^2 + 3139526^2 .

It is a cyclic number.

It is not a de Polignac number, because 11057223631637 - 2¹⁰ = 11057223630613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11057223631591 and 11057223631600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11057223631639) 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, 2264893838 + ... + 2264898719.

It is an arithmetic number, because the mean of its divisors is an integer number (2765438356659).

Almost surely, 2^{11057223631637} is an apocalyptic number.

It is an amenable number.

11057223631637 is a deficient number, since it is larger than the sum of its proper divisors (4529794999).

11057223631637 is an equidigital number, since it uses as much as digits as its factorization.

11057223631637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4529794998.

The product of its (nonzero) digits is 952560, while the sum is 47.

The spelling of 11057223631637 in words is "eleven trillion, fifty-seven billion, two hundred twenty-three million, six hundred thirty-one thousand, six hundred thirty-seven".