51100500603 has 16 divisors (see below), whose sum is σ = 68547271680. Its totient is φ = 33860546976.

The previous prime is 51100500601. The next prime is 51100500611. The reversal of 51100500603 is 30600500115.

It is a happy number.

It is not a de Polignac number, because 51100500603 - 2¹ = 51100500601 is a prime.

It is a super-2 number, since 2×51100500603² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51100500603.

It is not an unprimeable number, because it can be changed into a prime (51100500601) 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, 1163601 + ... + 1206717.

It is an arithmetic number, because the mean of its divisors is an integer number (4284204480).

Almost surely, 2^51100500603 is an apocalyptic number.

51100500603 is a deficient number, since it is larger than the sum of its proper divisors (17446771077).

51100500603 is a wasteful number, since it uses less digits than its factorization.

51100500603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45506.

The product of its (nonzero) digits is 450, while the sum is 21.

The spelling of 51100500603 in words is "fifty-one billion, one hundred million, five hundred thousand, six hundred three".