1135431435431 has 2 divisors, whose sum is σ = 1135431435432. Its totient is φ = 1135431435430.

The previous prime is 1135431435403. The next prime is 1135431435461. The reversal of 1135431435431 is 1345341345311.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1135431435431 is a prime.

It is a super-2 number, since 2×1135431435431² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1135431435461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567715717715 + 567715717716.

It is an arithmetic number, because the mean of its divisors is an integer number (567715717716).

Almost surely, 2^{1135431435431} is an apocalyptic number.

1135431435431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1135431435431 is an equidigital number, since it uses as much as digits as its factorization.

1135431435431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 38.

The spelling of 1135431435431 in words is "one trillion, one hundred thirty-five billion, four hundred thirty-one million, four hundred thirty-five thousand, four hundred thirty-one".