511457465453 has 4 divisors (see below), whose sum is σ = 557953598688. Its totient is φ = 464961332220.

The previous prime is 511457465447. The next prime is 511457465531. The reversal of 511457465453 is 354564754115.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-511457465453 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511457465053) 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, 23248066601 + ... + 23248066622.

It is an arithmetic number, because the mean of its divisors is an integer number (139488399672).

Almost surely, 2^511457465453 is an apocalyptic number.

It is an amenable number.

511457465453 is a deficient number, since it is larger than the sum of its proper divisors (46496133235).

511457465453 is a wasteful number, since it uses less digits than its factorization.

511457465453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46496133234.

The product of its digits is 5040000, while the sum is 50.

The spelling of 511457465453 in words is "five hundred eleven billion, four hundred fifty-seven million, four hundred sixty-five thousand, four hundred fifty-three".