1140005235621 has 192 divisors, whose sum is σ = 1952103802880. Its totient is φ = 577922273280.

The previous prime is 1140005235571. The next prime is 1140005235623. The reversal of 1140005235621 is 1265325000411.

It is not a de Polignac number, because 1140005235621 - 2⁷ = 1140005235493 is a prime.

It is a super-2 number, since 2×1140005235621² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140005235623) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3713371950 + ... + 3713372256.

Almost surely, 2^{1140005235621} is an apocalyptic number.

It is an amenable number.

1140005235621 is a deficient number, since it is larger than the sum of its proper divisors (812098567259).

1140005235621 is a wasteful number, since it uses less digits than its factorization.

1140005235621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696 (or 673 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 1140005235621 in words is "one trillion, one hundred forty billion, five million, two hundred thirty-five thousand, six hundred twenty-one".