1121363486451 has 24 divisors (see below), whose sum is σ = 1750025156880. Its totient is φ = 687822031296.

The previous prime is 1121363486339. The next prime is 1121363486471. The reversal of 1121363486451 is 1546843631211.

It is a happy number.

1121363486451 is a `hidden beast` number, since 1 + 1 + 2 + 1 + 3 + 634 + 8 + 6 + 4 + 5 + 1 = 666.

It is not a de Polignac number, because 1121363486451 - 2²⁶ = 1121296377587 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121363486397 and 1121363486406.

It is not an unprimeable number, because it can be changed into a prime (1121363486471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15573696 + ... + 15645533.

It is an arithmetic number, because the mean of its divisors is an integer number (72917714870).

Almost surely, 2^{1121363486451} is an apocalyptic number.

1121363486451 is a deficient number, since it is larger than the sum of its proper divisors (628661670429).

1121363486451 is a wasteful number, since it uses less digits than its factorization.

1121363486451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31219555 (or 31219552 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The spelling of 1121363486451 in words is "one trillion, one hundred twenty-one billion, three hundred sixty-three million, four hundred eighty-six thousand, four hundred fifty-one".