1121015372440 has 16 divisors (see below), whose sum is σ = 2522284588080. Its totient is φ = 448406148960.

The previous prime is 1121015372437. The next prime is 1121015372459. The reversal of 1121015372440 is 442735101211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14012692116 + ... + 14012692195.

It is an arithmetic number, because the mean of its divisors is an integer number (157642786755).

Almost surely, 2^{1121015372440} is an apocalyptic number.

1121015372440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121015372440 is an abundant number, since it is smaller than the sum of its proper divisors (1401269215640).

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

1121015372440 is a wasteful number, since it uses less digits than its factorization.

1121015372440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28025384322 (or 28025384318 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The spelling of 1121015372440 in words is "one trillion, one hundred twenty-one billion, fifteen million, three hundred seventy-two thousand, four hundred forty".