11630624881591 has 2 divisors, whose sum is σ = 11630624881592. Its totient is φ = 11630624881590.

The previous prime is 11630624881573. The next prime is 11630624881637. The reversal of 11630624881591 is 19518842603611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11630624881591 - 2¹⁷ = 11630624750519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11630624881531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5815312440795 + 5815312440796.

It is an arithmetic number, because the mean of its divisors is an integer number (5815312440796).

Almost surely, 2^{11630624881591} is an apocalyptic number.

11630624881591 is a deficient number, since it is larger than the sum of its proper divisors (1).

11630624881591 is an equidigital number, since it uses as much as digits as its factorization.

11630624881591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2488320, while the sum is 55.

The spelling of 11630624881591 in words is "eleven trillion, six hundred thirty billion, six hundred twenty-four million, eight hundred eighty-one thousand, five hundred ninety-one".