1111630387631 has 2 divisors, whose sum is σ = 1111630387632. Its totient is φ = 1111630387630.

The previous prime is 1111630387619. The next prime is 1111630387639. The reversal of 1111630387631 is 1367830361111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111630387631 is a prime.

It is a super-3 number, since 3×1111630387631³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111630387639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555815193815 + 555815193816.

It is an arithmetic number, because the mean of its divisors is an integer number (555815193816).

Almost surely, 2^{1111630387631} is an apocalyptic number.

1111630387631 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111630387631 is an equidigital number, since it uses as much as digits as its factorization.

1111630387631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 41.

The spelling of 1111630387631 in words is "one trillion, one hundred eleven billion, six hundred thirty million, three hundred eighty-seven thousand, six hundred thirty-one".