11131245137 has 8 divisors (see below), whose sum is σ = 11169785952. Its totient is φ = 11092737600.

The previous prime is 11131245079. The next prime is 11131245143. The reversal of 11131245137 is 73154213111.

11131245137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11131245137 - 2⁸ = 11131244881 is a prime.

It is a super-2 number, since 2×11131245137² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11131245337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 792062 + ... + 805992.

It is an arithmetic number, because the mean of its divisors is an integer number (1396223244).

Almost surely, 2^11131245137 is an apocalyptic number.

It is an amenable number.

11131245137 is a deficient number, since it is larger than the sum of its proper divisors (38540815).

11131245137 is a wasteful number, since it uses less digits than its factorization.

11131245137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16639.

The product of its digits is 2520, while the sum is 29.

Adding to 11131245137 its reverse (73154213111), we get a palindrome (84285458248).

The spelling of 11131245137 in words is "eleven billion, one hundred thirty-one million, two hundred forty-five thousand, one hundred thirty-seven".