51133310667 has 16 divisors (see below), whose sum is σ = 75814740000. Its totient is φ = 34061114592.

The previous prime is 51133310639. The next prime is 51133310681. The reversal of 51133310667 is 76601333115.

It is a happy number.

51133310667 is a `hidden beast` number, since 511 + 3 + 33 + 106 + 6 + 7 = 666.

It is not a de Polignac number, because 51133310667 - 2¹¹ = 51133308619 is a prime.

It is a super-2 number, since 2×51133310667² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51133310687) 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, 737292 + ... + 803657.

It is an arithmetic number, because the mean of its divisors is an integer number (4738421250).

Almost surely, 2^51133310667 is an apocalyptic number.

51133310667 is a deficient number, since it is larger than the sum of its proper divisors (24681429333).

51133310667 is a wasteful number, since it uses less digits than its factorization.

51133310667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542187 (or 1542181 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The spelling of 51133310667 in words is "fifty-one billion, one hundred thirty-three million, three hundred ten thousand, six hundred sixty-seven".