1118490363291 has 8 divisors (see below), whose sum is σ = 1704366267904. Its totient is φ = 639137350440.

The previous prime is 1118490363281. The next prime is 1118490363301. The reversal of 1118490363291 is 1923630948111.

It is an interprime number because it is at equal distance from previous prime (1118490363281) and next prime (1118490363301).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1118490363291 - 2⁵ = 1118490363259 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1118490363291.

It is not an unprimeable number, because it can be changed into a prime (1118490363281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26630722915 + ... + 26630722956.

It is an arithmetic number, because the mean of its divisors is an integer number (213045783488).

Almost surely, 2^{1118490363291} is an apocalyptic number.

1118490363291 is a deficient number, since it is larger than the sum of its proper divisors (585875904613).

1118490363291 is an equidigital number, since it uses as much as digits as its factorization.

1118490363291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53261445881.

The product of its (nonzero) digits is 279936, while the sum is 48.

It can be divided in two parts, 1118490 and 363291, that added together give a triangular number (1481781 = T₁₇₂₁).

The spelling of 1118490363291 in words is "one trillion, one hundred eighteen billion, four hundred ninety million, three hundred sixty-three thousand, two hundred ninety-one".