11142601931 has 2 divisors, whose sum is σ = 11142601932. Its totient is φ = 11142601930.

The previous prime is 11142601909. The next prime is 11142601979. The reversal of 11142601931 is 13910624111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11142601931 - 2¹⁸ = 11142339787 is a prime.

It is a super-2 number, since 2×11142601931² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11142601894 and 11142601903.

It is not a weakly prime, because it can be changed into another prime (11142601031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5571300965 + 5571300966.

It is an arithmetic number, because the mean of its divisors is an integer number (5571300966).

Almost surely, 2^11142601931 is an apocalyptic number.

11142601931 is a deficient number, since it is larger than the sum of its proper divisors (1).

11142601931 is an equidigital number, since it uses as much as digits as its factorization.

11142601931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 11142601931 in words is "eleven billion, one hundred forty-two million, six hundred one thousand, nine hundred thirty-one".