1138441499597 has 16 divisors (see below), whose sum is σ = 1203381532800. Its totient is φ = 1074008517120.

The previous prime is 1138441499593. The next prime is 1138441499599. The reversal of 1138441499597 is 7959941448311.

It is a cyclic number.

It is not a de Polignac number, because 1138441499597 - 2² = 1138441499593 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138441499593) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8513429 + ... + 8646117.

It is an arithmetic number, because the mean of its divisors is an integer number (75211345800).

Almost surely, 2^{1138441499597} is an apocalyptic number.

It is an amenable number.

1138441499597 is a deficient number, since it is larger than the sum of its proper divisors (64940033203).

1138441499597 is a wasteful number, since it uses less digits than its factorization.

1138441499597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134596.

The product of its digits is 39191040, while the sum is 65.

The spelling of 1138441499597 in words is "one trillion, one hundred thirty-eight billion, four hundred forty-one million, four hundred ninety-nine thousand, five hundred ninety-seven".