1163501351531 has 2 divisors, whose sum is σ = 1163501351532. Its totient is φ = 1163501351530.

The previous prime is 1163501351521. The next prime is 1163501351563. The reversal of 1163501351531 is 1351531053611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1163501351531 - 2²² = 1163497157227 is a prime.

It is a super-2 number, since 2×1163501351531² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1163501351491 and 1163501351500.

It is not a weakly prime, because it can be changed into another prime (1163501351521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581750675765 + 581750675766.

It is an arithmetic number, because the mean of its divisors is an integer number (581750675766).

Almost surely, 2^{1163501351531} is an apocalyptic number.

1163501351531 is a deficient number, since it is larger than the sum of its proper divisors (1).

1163501351531 is an equidigital number, since it uses as much as digits as its factorization.

1163501351531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20250, while the sum is 35.

The spelling of 1163501351531 in words is "one trillion, one hundred sixty-three billion, five hundred one million, three hundred fifty-one thousand, five hundred thirty-one".