1151291963412 has 72 divisors (see below), whose sum is σ = 2917646065152. Its totient is φ = 382783867200.

The previous prime is 1151291963369. The next prime is 1151291963443. The reversal of 1151291963412 is 2143691921511.

1151291963412 is a `hidden beast` number, since 1 + 1 + 5 + 1 + 2 + 9 + 1 + 9 + 634 + 1 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116628837 + ... + 116638707.

It is an arithmetic number, because the mean of its divisors is an integer number (40522862016).

Almost surely, 2^{1151291963412} is an apocalyptic number.

1151291963412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1151291963412 is an abundant number, since it is smaller than the sum of its proper divisors (1766354101740).

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

1151291963412 is a wasteful number, since it uses less digits than its factorization.

1151291963412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17829 (or 17824 counting only the distinct ones).

The product of its digits is 116640, while the sum is 45.

The spelling of 1151291963412 in words is "one trillion, one hundred fifty-one billion, two hundred ninety-one million, nine hundred sixty-three thousand, four hundred twelve".