511161200255 has 8 divisors (see below), whose sum is σ = 613400880624. Its totient is φ = 408924000000.

The previous prime is 511161200189. The next prime is 511161200371. The reversal of 511161200255 is 552002161115.

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

It is not a de Polignac number, because 511161200255 - 2²⁰ = 511160151679 is a prime.

It is a super-2 number, since 2×511161200255² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131621 + ... + 1019630.

It is an arithmetic number, because the mean of its divisors is an integer number (76675110078).

Almost surely, 2^511161200255 is an apocalyptic number.

511161200255 is a deficient number, since it is larger than the sum of its proper divisors (102239680369).

511161200255 is a wasteful number, since it uses less digits than its factorization.

511161200255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240057.

The product of its (nonzero) digits is 3000, while the sum is 29.

The spelling of 511161200255 in words is "five hundred eleven billion, one hundred sixty-one million, two hundred thousand, two hundred fifty-five".