511112479 has 2 divisors, whose sum is σ = 511112480. Its totient is φ = 511112478.

The previous prime is 511112461. The next prime is 511112507. The reversal of 511112479 is 974211115.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 511112479 - 2¹³ = 511104287 is a prime.

It is a super-2 number, since 2×511112479² = 522471932379050882, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 511112479.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (511112449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255556239 + 255556240.

It is an arithmetic number, because the mean of its divisors is an integer number (255556240).

Almost surely, 2^511112479 is an apocalyptic number.

511112479 is a deficient number, since it is larger than the sum of its proper divisors (1).

511112479 is an equidigital number, since it uses as much as digits as its factorization.

511112479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 31.

The square root of 511112479 is about 22607.7968630294. The cubic root of 511112479 is about 799.5374821272.

The spelling of 511112479 in words is "five hundred eleven million, one hundred twelve thousand, four hundred seventy-nine".