11013029861 has 2 divisors, whose sum is σ = 11013029862. Its totient is φ = 11013029860.

The previous prime is 11013029851. The next prime is 11013030043. The reversal of 11013029861 is 16892031011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10561467361 + 451562500 = 102769^2 + 21250^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11013029861 is a prime.

It is a super-3 number, since 3×11013029861³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11013029851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5506514930 + 5506514931.

It is an arithmetic number, because the mean of its divisors is an integer number (5506514931).

Almost surely, 2^11013029861 is an apocalyptic number.

It is an amenable number.

11013029861 is a deficient number, since it is larger than the sum of its proper divisors (1).

11013029861 is an equidigital number, since it uses as much as digits as its factorization.

11013029861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 32.

The spelling of 11013029861 in words is "eleven billion, thirteen million, twenty-nine thousand, eight hundred sixty-one".