11412125531 has 2 divisors, whose sum is σ = 11412125532. Its totient is φ = 11412125530.

The previous prime is 11412125503. The next prime is 11412125581. The reversal of 11412125531 is 13552121411.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11412125531 is a prime.

It is a super-2 number, since 2×11412125531² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11412125531.

It is not a weakly prime, because it can be changed into another prime (11412125581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5706062765 + 5706062766.

It is an arithmetic number, because the mean of its divisors is an integer number (5706062766).

Almost surely, 2^11412125531 is an apocalyptic number.

11412125531 is a deficient number, since it is larger than the sum of its proper divisors (1).

11412125531 is an equidigital number, since it uses as much as digits as its factorization.

11412125531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1200, while the sum is 26.

Adding to 11412125531 its reverse (13552121411), we get a palindrome (24964246942).

The spelling of 11412125531 in words is "eleven billion, four hundred twelve million, one hundred twenty-five thousand, five hundred thirty-one".