511361461612 has 6 divisors (see below), whose sum is σ = 894882557828. Its totient is φ = 255680730804.

The previous prime is 511361461601. The next prime is 511361461649. The reversal of 511361461612 is 216164163115.

It is a happy number.

It is a super-2 number, since 2×511361461612² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63920182698 + ... + 63920182705.

Almost surely, 2^511361461612 is an apocalyptic number.

It is an amenable number.

511361461612 is a deficient number, since it is larger than the sum of its proper divisors (383521096216).

511361461612 is a wasteful number, since it uses less digits than its factorization.

511361461612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127840365407 (or 127840365405 counting only the distinct ones).

The product of its digits is 25920, while the sum is 37.

The spelling of 511361461612 in words is "five hundred eleven billion, three hundred sixty-one million, four hundred sixty-one thousand, six hundred twelve".