1121952378824 has 32 divisors (see below), whose sum is σ = 2143584570240. Its totient is φ = 550332120000.

The previous prime is 1121952378821. The next prime is 1121952378881. The reversal of 1121952378824 is 4288732591211.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is not an unprimeable number, because it can be changed into a prime (1121952378821) 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, 3911099 + ... + 4188149.

It is an arithmetic number, because the mean of its divisors is an integer number (66987017820).

Almost surely, 2^{1121952378824} is an apocalyptic number.

It is an amenable number.

1121952378824 is a deficient number, since it is larger than the sum of its proper divisors (1021632191416).

1121952378824 is a wasteful number, since it uses less digits than its factorization.

1121952378824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286661 (or 286657 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 53.

The spelling of 1121952378824 in words is "one trillion, one hundred twenty-one billion, nine hundred fifty-two million, three hundred seventy-eight thousand, eight hundred twenty-four".