1145732767521 has 16 divisors (see below), whose sum is σ = 1529993951808. Its totient is φ = 762647616000.

The previous prime is 1145732767513. The next prime is 1145732767541. The reversal of 1145732767521 is 1257672375411.

It is not a de Polignac number, because 1145732767521 - 2³ = 1145732767513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1145732767541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5030061 + ... + 5252901.

It is an arithmetic number, because the mean of its divisors is an integer number (95624621988).

Almost surely, 2^{1145732767521} is an apocalyptic number.

It is an amenable number.

1145732767521 is a deficient number, since it is larger than the sum of its proper divisors (384261184287).

1145732767521 is a wasteful number, since it uses less digits than its factorization.

1145732767521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225472.

The product of its digits is 2469600, while the sum is 51.

The spelling of 1145732767521 in words is "one trillion, one hundred forty-five billion, seven hundred thirty-two million, seven hundred sixty-seven thousand, five hundred twenty-one".