1018612138999 has 8 divisors (see below), whose sum is σ = 1253676478880. Its totient is φ = 805934879136.

The previous prime is 1018612138991. The next prime is 1018612139101. The reversal of 1018612138999 is 9998312168101.

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

It is a cyclic number.

It is not a de Polignac number, because 1018612138999 - 2³ = 1018612138991 is a prime.

It is a super-2 number, since 2×1018612138999² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1018612138991) 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, 5596769904 + ... + 5596770085.

It is an arithmetic number, because the mean of its divisors is an integer number (156709559860).

Almost surely, 2^{1018612138999} is an apocalyptic number.

1018612138999 is a deficient number, since it is larger than the sum of its proper divisors (235064339881).

1018612138999 is a wasteful number, since it uses less digits than its factorization.

1018612138999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11193540009.

The product of its (nonzero) digits is 1679616, while the sum is 58.

The spelling of 1018612138999 in words is "one trillion, eighteen billion, six hundred twelve million, one hundred thirty-eight thousand, nine hundred ninety-nine".