2153782873512 has 64 divisors (see below), whose sum is σ = 5984699385600. Its totient is φ = 717691322880.

The previous prime is 2153782873507. The next prime is 2153782873523.

2153782873512 is a `hidden beast` number, since 2 + 1 + 5 + 3 + 7 + 8 + 287 + 351 + 2 = 666.

2153782873512 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 982608 + ... + 2296319.

It is an arithmetic number, because the mean of its divisors is an integer number (93510927900).

Almost surely, 2^{2153782873512} is an apocalyptic number.

It is an amenable number.

2153782873512 is an abundant number, since it is smaller than the sum of its proper divisors (3830916512088).

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

2153782873512 is a wasteful number, since it uses less digits than its factorization.

2153782873512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3281983 (or 3281973 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 54.

The spelling of 2153782873512 in words is "two trillion, one hundred fifty-three billion, seven hundred eighty-two million, eight hundred seventy-three thousand, five hundred twelve".