1121378614552 has 48 divisors (see below), whose sum is σ = 2530204236000. Its totient is φ = 464018732352.

The previous prime is 1121378614547. The next prime is 1121378614561. The reversal of 1121378614552 is 2554168731211.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49310352 + ... + 49333087.

It is an arithmetic number, because the mean of its divisors is an integer number (52712588250).

Almost surely, 2^{1121378614552} is an apocalyptic number.

It is an amenable number.

1121378614552 is an abundant number, since it is smaller than the sum of its proper divisors (1408825621448).

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

1121378614552 is a wasteful number, since it uses less digits than its factorization.

1121378614552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98643488 (or 98643477 counting only the distinct ones).

The product of its digits is 403200, while the sum is 46.

The spelling of 1121378614552 in words is "one trillion, one hundred twenty-one billion, three hundred seventy-eight million, six hundred fourteen thousand, five hundred fifty-two".