11451530513 has 16 divisors (see below), whose sum is σ = 12185945856. Its totient is φ = 10738632960.

The previous prime is 11451530471. The next prime is 11451530521. The reversal of 11451530513 is 31503515411.

It is a cyclic number.

It is not a de Polignac number, because 11451530513 - 2⁶ = 11451530449 is a prime.

It is a super-2 number, since 2×11451530513² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11451530533) 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, 259973 + ... + 300813.

It is an arithmetic number, because the mean of its divisors is an integer number (761621616).

Almost surely, 2^11451530513 is an apocalyptic number.

It is an amenable number.

11451530513 is a deficient number, since it is larger than the sum of its proper divisors (734415343).

11451530513 is a wasteful number, since it uses less digits than its factorization.

11451530513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41104.

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 11451530513 in words is "eleven billion, four hundred fifty-one million, five hundred thirty thousand, five hundred thirteen".