6457357511 has 6 divisors (see below), whose sum is σ = 7097756736. Its totient is φ = 5870324900.

The previous prime is 6457357481. The next prime is 6457357519. The reversal of 6457357511 is 1157537546.

It is a happy number.

It is not a de Polignac number, because 6457357511 - 2⁶ = 6457357447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6457357519) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26683175 + ... + 26683416.

It is an arithmetic number, because the mean of its divisors is an integer number (1182959456).

Almost surely, 2^6457357511 is an apocalyptic number.

6457357511 is a deficient number, since it is larger than the sum of its proper divisors (640399225).

6457357511 is a wasteful number, since it uses less digits than its factorization.

6457357511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53366613 (or 53366602 counting only the distinct ones).

The product of its digits is 441000, while the sum is 44.

The square root of 6457357511 is about 80357.6848285215. The cubic root of 6457357511 is about 1862.1655040995.

The spelling of 6457357511 in words is "six billion, four hundred fifty-seven million, three hundred fifty-seven thousand, five hundred eleven".