11132312013 has 6 divisors (see below), whose sum is σ = 16080006254. Its totient is φ = 7421541336.

The previous prime is 11132311987. The next prime is 11132312029. The reversal of 11132312013 is 31021323111.

It can be written as a sum of positive squares in only one way, i.e., 7814206404 + 3318105609 = 88398^2 + 57603^2 .

It is not a de Polignac number, because 11132312013 - 2¹⁰ = 11132310989 is a prime.

It is a super-2 number, since 2×11132312013² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11132312053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 618461770 + ... + 618461787.

Almost surely, 2^11132312013 is an apocalyptic number.

It is an amenable number.

11132312013 is a deficient number, since it is larger than the sum of its proper divisors (4947694241).

11132312013 is a wasteful number, since it uses less digits than its factorization.

11132312013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236923563 (or 1236923560 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11132312013 its reverse (31021323111), we get a palindrome (42153635124).

The spelling of 11132312013 in words is "eleven billion, one hundred thirty-two million, three hundred twelve thousand, thirteen".