1131861432463 has 2 divisors, whose sum is σ = 1131861432464. Its totient is φ = 1131861432462.

The previous prime is 1131861432431. The next prime is 1131861432473. The reversal of 1131861432463 is 3642341681311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1131861432463 - 2⁵ = 1131861432431 is a prime.

It is a super-2 number, since 2×1131861432463² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131861432473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565930716231 + 565930716232.

It is an arithmetic number, because the mean of its divisors is an integer number (565930716232).

Almost surely, 2^{1131861432463} is an apocalyptic number.

1131861432463 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131861432463 is an equidigital number, since it uses as much as digits as its factorization.

1131861432463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 43.

The spelling of 1131861432463 in words is "one trillion, one hundred thirty-one billion, eight hundred sixty-one million, four hundred thirty-two thousand, four hundred sixty-three".