1121012313552 has 100 divisors (see below), whose sum is σ = 3332225141476. Its totient is φ = 363571545600.

The previous prime is 1121012313521. The next prime is 1121012313679. The reversal of 1121012313552 is 2553132101211.

1121012313552 is a `hidden beast` number, since 1 + 1 + 2 + 101 + 2 + 3 + 1 + 3 + 552 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1088883902016 + 32128411536 = 1043496^2 + 179244^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11640949 + ... + 11736852.

Almost surely, 2^{1121012313552} is an apocalyptic number.

1121012313552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1121012313552 is an abundant number, since it is smaller than the sum of its proper divisors (2211212827924).

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

1121012313552 is a wasteful number, since it uses less digits than its factorization.

1121012313552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23377858 (or 23377843 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

Adding to 1121012313552 its reverse (2553132101211), we get a palindrome (3674144414763).

The spelling of 1121012313552 in words is "one trillion, one hundred twenty-one billion, twelve million, three hundred thirteen thousand, five hundred fifty-two".