1121511632312 has 16 divisors (see below), whose sum is σ = 2110425774360. Its totient is φ = 558731425824.

The previous prime is 1121511632309. The next prime is 1121511632317. The reversal of 1121511632312 is 2132361151211.

It is a happy number.

It is a super-2 number, since 2×1121511632312² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121511632317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253046438 + ... + 253050869.

Almost surely, 2^{1121511632312} is an apocalyptic number.

It is an amenable number.

1121511632312 is a deficient number, since it is larger than the sum of its proper divisors (988914142048).

1121511632312 is a wasteful number, since it uses less digits than its factorization.

1121511632312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506097590 (or 506097586 counting only the distinct ones).

The product of its digits is 2160, while the sum is 29.

Adding to 1121511632312 its reverse (2132361151211), we get a palindrome (3253872783523).

The spelling of 1121511632312 in words is "one trillion, one hundred twenty-one billion, five hundred eleven million, six hundred thirty-two thousand, three hundred twelve".