1151461489812 has 24 divisors (see below), whose sum is σ = 2686761652512. Its totient is φ = 383817900000.

The previous prime is 1151461489799. The next prime is 1151461489817. The reversal of 1151461489812 is 2189841641511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151461489817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2521062 + ... + 2942562.

It is an arithmetic number, because the mean of its divisors is an integer number (111948402188).

Almost surely, 2^{1151461489812} is an apocalyptic number.

1151461489812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1151461489812 is an abundant number, since it is smaller than the sum of its proper divisors (1535300162700).

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

1151461489812 is a wasteful number, since it uses less digits than its factorization.

1151461489812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649159 (or 649157 counting only the distinct ones).

The product of its digits is 552960, while the sum is 51.

The spelling of 1151461489812 in words is "one trillion, one hundred fifty-one billion, four hundred sixty-one million, four hundred eighty-nine thousand, eight hundred twelve".