1151120423000 has 64 divisors (see below), whose sum is σ = 2705182945920. Its totient is φ = 458471904000.

The previous prime is 1151120422979. The next prime is 1151120423017. The reversal of 1151120423000 is 3240211511.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2237216 + ... + 2703215.

It is an arithmetic number, because the mean of its divisors is an integer number (42268483530).

Almost surely, 2^{1151120423000} is an apocalyptic number.

1151120423000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1151120423000 is an abundant number, since it is smaller than the sum of its proper divisors (1554062522920).

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

1151120423000 is a wasteful number, since it uses less digits than its factorization.

1151120423000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4940685 (or 4940671 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 1151120423000 its reverse (3240211511), we get a palindrome (1154360634511).

The spelling of 1151120423000 in words is "one trillion, one hundred fifty-one billion, one hundred twenty million, four hundred twenty-three thousand".