71100051 has 16 divisors (see below), whose sum is σ = 106215168. Its totient is φ = 41925600.

The previous prime is 71100023. The next prime is 71100067. The reversal of 71100051 is 15000117.

It is not a de Polignac number, because 71100051 - 2¹⁷ = 70968979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71100051.

It is not an unprimeable number, because it can be changed into a prime (71100091) 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, 27895 + ... + 30336.

It is an arithmetic number, because the mean of its divisors is an integer number (6638448).

Almost surely, 2^71100051 is an apocalyptic number.

71100051 is a deficient number, since it is larger than the sum of its proper divisors (35115117).

71100051 is a wasteful number, since it uses less digits than its factorization.

71100051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58282.

The product of its (nonzero) digits is 35, while the sum is 15.

The square root of 71100051 is about 8432.0846176969. The cubic root of 71100051 is about 414.2761873864.

Adding to 71100051 its reverse (15000117), we get a palindrome (86100168).

The spelling of 71100051 in words is "seventy-one million, one hundred thousand, fifty-one".