51110501011 has 16 divisors (see below), whose sum is σ = 54380224800. Its totient is φ = 47900160000.

The previous prime is 51110500963. The next prime is 51110501089. The reversal of 51110501011 is 11010501115.

It is a cyclic number.

It is not a de Polignac number, because 51110501011 - 2¹³ = 51110492819 is a prime.

It is a super-2 number, since 2×51110501011² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51110561011) 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, 1308261 + ... + 1346761.

It is an arithmetic number, because the mean of its divisors is an integer number (3398764050).

Almost surely, 2^51110501011 is an apocalyptic number.

51110501011 is a deficient number, since it is larger than the sum of its proper divisors (3269723789).

51110501011 is a wasteful number, since it uses less digits than its factorization.

51110501011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39270.

The product of its (nonzero) digits is 25, while the sum is 16.

The spelling of 51110501011 in words is "fifty-one billion, one hundred ten million, five hundred one thousand, eleven".