13045451511 has 4 divisors (see below), whose sum is σ = 17393935352. Its totient is φ = 8696967672.

The previous prime is 13045451501. The next prime is 13045451513. The reversal of 13045451511 is 11515454031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11515454031 = 3 ⋅3838484677.

It is not a de Polignac number, because 13045451511 - 2⁵ = 13045451479 is a prime.

It is a super-3 number, since 3×13045451511³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13045451513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2174241916 + ... + 2174241921.

It is an arithmetic number, because the mean of its divisors is an integer number (4348483838).

Almost surely, 2^13045451511 is an apocalyptic number.

13045451511 is a deficient number, since it is larger than the sum of its proper divisors (4348483841).

13045451511 is an equidigital number, since it uses as much as digits as its factorization.

13045451511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4348483840.

The product of its (nonzero) digits is 6000, while the sum is 30.

The spelling of 13045451511 in words is "thirteen billion, forty-five million, four hundred fifty-one thousand, five hundred eleven".