11451045519712 has 48 divisors (see below), whose sum is σ = 23296804070400. Its totient is φ = 5534798843520.

The previous prime is 11451045519701. The next prime is 11451045519731. The reversal of 11451045519712 is 21791554015411.

It is a super-2 number, since 2×11451045519712² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5368762 + ... + 7192057.

It is an arithmetic number, because the mean of its divisors is an integer number (485350084800).

Almost surely, 2^{11451045519712} is an apocalyptic number.

It is an amenable number.

11451045519712 is an abundant number, since it is smaller than the sum of its proper divisors (11845758550688).

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

11451045519712 is a wasteful number, since it uses less digits than its factorization.

11451045519712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12561779 (or 12561771 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 46.

The spelling of 11451045519712 in words is "eleven trillion, four hundred fifty-one billion, forty-five million, five hundred nineteen thousand, seven hundred twelve".