1165987423675 has 12 divisors (see below), whose sum is σ = 1445971987336. Its totient is φ = 932694724800.

The previous prime is 1165987423661. The next prime is 1165987423747. The reversal of 1165987423675 is 5763247895611.

It is not a de Polignac number, because 1165987423675 - 2²¹ = 1165985326523 is a prime.

It is a hoax number, since the sum of its digits (64) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2130021 + ... + 2620870.

Almost surely, 2^{1165987423675} is an apocalyptic number.

1165987423675 is a deficient number, since it is larger than the sum of its proper divisors (279984563661).

1165987423675 is an equidigital number, since it uses as much as digits as its factorization.

1165987423675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4760718 (or 4760713 counting only the distinct ones).

The product of its digits is 76204800, while the sum is 64.

The spelling of 1165987423675 in words is "one trillion, one hundred sixty-five billion, nine hundred eighty-seven million, four hundred twenty-three thousand, six hundred seventy-five".