1200045540519 has 48 divisors (see below), whose sum is σ = 1986992530432. Its totient is φ = 683676604224.

The previous prime is 1200045540391. The next prime is 1200045540523. The reversal of 1200045540519 is 9150455400021.

1200045540519 is a `hidden beast` number, since 1 + 20 + 0 + 0 + 45 + 540 + 51 + 9 = 666.

It is not a de Polignac number, because 1200045540519 - 2⁷ = 1200045540391 is a prime.

It is a super-2 number, since 2×1200045540519² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200045545519) 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 47 ways as a sum of consecutive naturals, for example, 131392077 + ... + 131401209.

Almost surely, 2^{1200045540519} is an apocalyptic number.

1200045540519 is a deficient number, since it is larger than the sum of its proper divisors (786946989913).

1200045540519 is a wasteful number, since it uses less digits than its factorization.

1200045540519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15196 (or 15193 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The spelling of 1200045540519 in words is "one trillion, two hundred billion, forty-five million, five hundred forty thousand, five hundred nineteen".