511468063481 has 8 divisors (see below), whose sum is σ = 522380154240. Its totient is φ = 500557214128.

The previous prime is 511468063471. The next prime is 511468063507. The reversal of 511468063481 is 184360864115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 511468063481 - 2²² = 511463869177 is a prime.

It is a super-2 number, since 2×511468063481² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (511468063471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 547475 + ... + 1150071.

It is an arithmetic number, because the mean of its divisors is an integer number (65297519280).

Almost surely, 2^511468063481 is an apocalyptic number.

It is an amenable number.

511468063481 is a deficient number, since it is larger than the sum of its proper divisors (10912090759).

511468063481 is a wasteful number, since it uses less digits than its factorization.

511468063481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620703.

The product of its (nonzero) digits is 552960, while the sum is 47.

The spelling of 511468063481 in words is "five hundred eleven billion, four hundred sixty-eight million, sixty-three thousand, four hundred eighty-one".