511344040351 has 16 divisors (see below), whose sum is σ = 553905538560. Its totient is φ = 470504773440.

The previous prime is 511344040261. The next prime is 511344040373. The reversal of 511344040351 is 153040443115.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-511344040351 is a prime.

It is a super-2 number, since 2×511344040351² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511344046351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2068566 + ... + 2302531.

It is an arithmetic number, because the mean of its divisors is an integer number (34619096160).

Almost surely, 2^511344040351 is an apocalyptic number.

511344040351 is a deficient number, since it is larger than the sum of its proper divisors (42561498209).

511344040351 is a wasteful number, since it uses less digits than its factorization.

511344040351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4371294.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 511344040351 its reverse (153040443115), we get a palindrome (664384483466).

The spelling of 511344040351 in words is "five hundred eleven billion, three hundred forty-four million, forty thousand, three hundred fifty-one".