511666060051 has 16 divisors (see below), whose sum is σ = 537363025920. Its totient is φ = 486265301280.

The previous prime is 511666060049. The next prime is 511666060063. The reversal of 511666060051 is 150060666115.

It is a cyclic number.

It is not a de Polignac number, because 511666060051 - 2¹ = 511666060049 is a prime.

It is a super-2 number, since 2×511666060051² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (511666060091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2512666 + ... + 2708656.

It is an arithmetic number, because the mean of its divisors is an integer number (33585189120).

Almost surely, 2^511666060051 is an apocalyptic number.

511666060051 is a deficient number, since it is larger than the sum of its proper divisors (25696965869).

511666060051 is a wasteful number, since it uses less digits than its factorization.

511666060051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196746.

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 511666060051 in words is "five hundred eleven billion, six hundred sixty-six million, sixty thousand, fifty-one".