51005060511 has 8 divisors (see below), whose sum is σ = 71586049920. Its totient is φ = 32213722392.

The previous prime is 51005060489. The next prime is 51005060573. The reversal of 51005060511 is 11506050015.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51005060511 - 2¹⁵ = 51005027743 is a prime.

It is a super-2 number, since 2×51005060511² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51005060581) 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, 447412755 + ... + 447412868.

It is an arithmetic number, because the mean of its divisors is an integer number (8948256240).

Almost surely, 2^51005060511 is an apocalyptic number.

51005060511 is a deficient number, since it is larger than the sum of its proper divisors (20580989409).

51005060511 is a wasteful number, since it uses less digits than its factorization.

51005060511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894825645.

The product of its (nonzero) digits is 750, while the sum is 24.

The spelling of 51005060511 in words is "fifty-one billion, five million, sixty thousand, five hundred eleven".