511020601355 has 12 divisors (see below), whose sum is σ = 674040397296. Its totient is φ = 371651346000.

The previous prime is 511020601339. The next prime is 511020601379. The reversal of 511020601355 is 553106020115.

It is not a de Polignac number, because 511020601355 - 2⁴ = 511020601339 is a prime.

It is a super-2 number, since 2×511020601355² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 422330471 + ... + 422331680.

It is an arithmetic number, because the mean of its divisors is an integer number (56170033108).

Almost surely, 2^511020601355 is an apocalyptic number.

511020601355 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

511020601355 is a deficient number, since it is larger than the sum of its proper divisors (163019795941).

511020601355 is a wasteful number, since it uses less digits than its factorization.

511020601355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844662178 (or 844662167 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 511020601355 in words is "five hundred eleven billion, twenty million, six hundred one thousand, three hundred fifty-five".