1140630555631 has 4 divisors (see below), whose sum is σ = 1303577777872. Its totient is φ = 977683333392.

The previous prime is 1140630555607. The next prime is 1140630555689. The reversal of 1140630555631 is 1365550360411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1140630555631 - 2⁵ = 1140630555599 is a prime.

It is a super-2 number, since 2×1140630555631² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140630555331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81473611110 + ... + 81473611123.

It is an arithmetic number, because the mean of its divisors is an integer number (325894444468).

Almost surely, 2^{1140630555631} is an apocalyptic number.

1140630555631 is a deficient number, since it is larger than the sum of its proper divisors (162947222241).

1140630555631 is an equidigital number, since it uses as much as digits as its factorization.

1140630555631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162947222240.

The product of its (nonzero) digits is 162000, while the sum is 40.

The spelling of 1140630555631 in words is "one trillion, one hundred forty billion, six hundred thirty million, five hundred fifty-five thousand, six hundred thirty-one".