11213053061 has 4 divisors (see below), whose sum is σ = 12814917792. Its totient is φ = 9611188332.

The previous prime is 11213053051. The next prime is 11213053097. The reversal of 11213053061 is 16035031211.

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 a de Polignac number, because none of the positive numbers 2^k-11213053061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11213053051) 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, 800932355 + ... + 800932368.

It is an arithmetic number, because the mean of its divisors is an integer number (3203729448).

Almost surely, 2^11213053061 is an apocalyptic number.

It is an amenable number.

11213053061 is a deficient number, since it is larger than the sum of its proper divisors (1601864731).

11213053061 is an equidigital number, since it uses as much as digits as its factorization.

11213053061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601864730.

The product of its (nonzero) digits is 540, while the sum is 23.

Adding to 11213053061 its reverse (16035031211), we get a palindrome (27248084272).

The spelling of 11213053061 in words is "eleven billion, two hundred thirteen million, fifty-three thousand, sixty-one".