1135515431 has 2 divisors, whose sum is σ = 1135515432. Its totient is φ = 1135515430.

The previous prime is 1135515383. The next prime is 1135515499. The reversal of 1135515431 is 1345155311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1135515431 - 2¹⁴ = 1135499047 is a prime.

It is a super-2 number, since 2×1135515431² = 2578790588078231522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1135515394 and 1135515403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1135512431) 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 as a sum of consecutive naturals, namely, 567757715 + 567757716.

It is an arithmetic number, because the mean of its divisors is an integer number (567757716).

Almost surely, 2^1135515431 is an apocalyptic number.

1135515431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1135515431 is an equidigital number, since it uses as much as digits as its factorization.

1135515431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4500, while the sum is 29.

The square root of 1135515431 is about 33697.4098559518. The cubic root of 1135515431 is about 1043.2723086134.

The spelling of 1135515431 in words is "one billion, one hundred thirty-five million, five hundred fifteen thousand, four hundred thirty-one".