513045542011 has 4 divisors (see below), whose sum is σ = 513049170024. Its totient is φ = 513041914000.

The previous prime is 513045541961. The next prime is 513045542021. The reversal of 513045542011 is 110245540315.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110245540315 = 5 ⋅22049108063.

It is a cyclic number.

It is not a de Polignac number, because 513045542011 - 2¹⁵ = 513045509243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513045542021) 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, 1592905 + ... + 1887706.

It is an arithmetic number, because the mean of its divisors is an integer number (128262292506).

Almost surely, 2^513045542011 is an apocalyptic number.

513045542011 is a deficient number, since it is larger than the sum of its proper divisors (3628013).

513045542011 is a wasteful number, since it uses less digits than its factorization.

513045542011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3628012.

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 513045542011 in words is "five hundred thirteen billion, forty-five million, five hundred forty-two thousand, eleven".