1121357017144 has 64 divisors (see below), whose sum is σ = 2723944204800. Its totient is φ = 420265666944.

The previous prime is 1121357017141. The next prime is 1121357017147. The reversal of 1121357017144 is 4417107531211.

It is an interprime number because it is at equal distance from previous prime (1121357017141) and next prime (1121357017147).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121357017141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40521052 + ... + 40548715.

It is an arithmetic number, because the mean of its divisors is an integer number (42561628200).

Almost surely, 2^{1121357017144} is an apocalyptic number.

1121357017144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1121357017144 is an abundant number, since it is smaller than the sum of its proper divisors (1602587187656).

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

1121357017144 is a wasteful number, since it uses less digits than its factorization.

1121357017144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81069812 (or 81069808 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 37.

The spelling of 1121357017144 in words is "one trillion, one hundred twenty-one billion, three hundred fifty-seven million, seventeen thousand, one hundred forty-four".