511114011221321 has 8 divisors (see below), whose sum is σ = 511187427177888. Its totient is φ = 511040598120000.

The previous prime is 511114011221273. The next prime is 511114011221339. The reversal of 511114011221321 is 123122110411115.

It is a happy number.

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 511114011221321 - 2²² = 511114007027017 is a prime.

It is a super-2 number, since 2×511114011221321² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (511114311221321) 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, 371172401 + ... + 372546881.

It is an arithmetic number, because the mean of its divisors is an integer number (63898428397236).

Almost surely, 2^{511114011221321} is an apocalyptic number.

It is an amenable number.

511114011221321 is a deficient number, since it is larger than the sum of its proper divisors (73415956567).

511114011221321 is a wasteful number, since it uses less digits than its factorization.

511114011221321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427623.

The product of its (nonzero) digits is 480, while the sum is 26.

Adding to 511114011221321 its reverse (123122110411115), we get a palindrome (634236121632436).

The spelling of 511114011221321 in words is "five hundred eleven trillion, one hundred fourteen billion, eleven million, two hundred twenty-one thousand, three hundred twenty-one".