511656963103 has 24 divisors (see below), whose sum is σ = 615926883600. Its totient is φ = 422085079680.

The previous prime is 511656963073. The next prime is 511656963143. The reversal of 511656963103 is 301369656115.

It is not a de Polignac number, because 511656963103 - 2¹³ = 511656954911 is a prime.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511656963143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2663758 + ... + 2849371.

It is an arithmetic number, because the mean of its divisors is an integer number (25663620150).

Almost surely, 2^511656963103 is an apocalyptic number.

511656963103 is a deficient number, since it is larger than the sum of its proper divisors (104269920497).

511656963103 is a wasteful number, since it uses less digits than its factorization.

511656963103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5513223 (or 5513212 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 46.

The spelling of 511656963103 in words is "five hundred eleven billion, six hundred fifty-six million, nine hundred sixty-three thousand, one hundred three".