1144999862692 has 144 divisors (see below), whose sum is σ = 2463321423360. Its totient is φ = 456028994304.

The previous prime is 1144999862687. The next prime is 1144999862707. The reversal of 1144999862692 is 2962689994411.

It is a super-2 number, since 2×1144999862692² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 125364958 + ... + 125374090.

Almost surely, 2^{1144999862692} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1144999862692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1231660711680).

1144999862692 is an abundant number, since it is smaller than the sum of its proper divisors (1318321560668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1144999862692 is a wasteful number, since it uses less digits than its factorization.

1144999862692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9418 (or 9397 counting only the distinct ones).

The product of its digits is 120932352, while the sum is 70.

The spelling of 1144999862692 in words is "one trillion, one hundred forty-four billion, nine hundred ninety-nine million, eight hundred sixty-two thousand, six hundred ninety-two".