51011006000511 has 8 divisors (see below), whose sum is σ = 68015867277744. Its totient is φ = 34006741028480.

The previous prime is 51011006000489. The next prime is 51011006000573. The reversal of 51011006000511 is 11500060011015.

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 51011006000511 - 2⁹ = 51011005999999 is a prime.

It is a super-2 number, since 2×51011006000511² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51011006001511) 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, 148876656 + ... + 149218901.

It is an arithmetic number, because the mean of its divisors is an integer number (8501983409718).

Almost surely, 2^{51011006000511} is an apocalyptic number.

51011006000511 is a deficient number, since it is larger than the sum of its proper divisors (17004861277233).

51011006000511 is a wasteful number, since it uses less digits than its factorization.

51011006000511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298152601.

The product of its (nonzero) digits is 150, while the sum is 21.

Adding to 51011006000511 its reverse (11500060011015), we get a palindrome (62511066011526).

The spelling of 51011006000511 in words is "fifty-one trillion, eleven billion, six million, five hundred eleven", and thus it is an aban number.