1121035612040 has 32 divisors (see below), whose sum is σ = 2522360439000. Its totient is φ = 448408856064.

The previous prime is 1121035612033. The next prime is 1121035612043. The reversal of 1121035612040 is 402165301211.

It can be written as a sum of positive squares in 4 ways, for example, as 1039955327524 + 81080284516 = 1019782^2 + 284746^2 .

It is not an unprimeable number, because it can be changed into a prime (1121035612043) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5913446 + ... + 6100074.

Almost surely, 2^{1121035612040} is an apocalyptic number.

1121035612040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121035612040 is an abundant number, since it is smaller than the sum of its proper divisors (1401324826960).

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

1121035612040 is a wasteful number, since it uses less digits than its factorization.

1121035612040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336809 (or 336805 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The spelling of 1121035612040 in words is "one trillion, one hundred twenty-one billion, thirty-five million, six hundred twelve thousand, forty".