11111035213 has 16 divisors (see below), whose sum is σ = 12030605440. Its totient is φ = 10225828800.

The previous prime is 11111035207. The next prime is 11111035217. The reversal of 11111035213 is 31253011111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11111035213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111035217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 452728 + ... + 476638.

It is an arithmetic number, because the mean of its divisors is an integer number (751912840).

Almost surely, 2^11111035213 is an apocalyptic number.

It is an amenable number.

11111035213 is a deficient number, since it is larger than the sum of its proper divisors (919570227).

11111035213 is a wasteful number, since it uses less digits than its factorization.

11111035213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24628.

The product of its (nonzero) digits is 90, while the sum is 19.

Adding to 11111035213 its reverse (31253011111), we get a palindrome (42364046324).

It can be divided in two parts, 1111 and 1035213, that added together give a square (1036324 = 1018²).

The spelling of 11111035213 in words is "eleven billion, one hundred eleven million, thirty-five thousand, two hundred thirteen".