71603225051 has 2 divisors, whose sum is σ = 71603225052. Its totient is φ = 71603225050.

The previous prime is 71603225039. The next prime is 71603225053. The reversal of 71603225051 is 15052230617.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71603225051 - 2³⁴ = 54423355867 is a prime.

It is a super-3 number, since 3×71603225051³ (a number of 34 digits) contains 333 as substring.

Together with 71603225053, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 71603224999 and 71603225017.

It is not a weakly prime, because it can be changed into another prime (71603225053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35801612525 + 35801612526.

It is an arithmetic number, because the mean of its divisors is an integer number (35801612526).

Almost surely, 2^71603225051 is an apocalyptic number.

71603225051 is a deficient number, since it is larger than the sum of its proper divisors (1).

71603225051 is an equidigital number, since it uses as much as digits as its factorization.

71603225051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 32.

Adding to 71603225051 its reverse (15052230617), we get a palindrome (86655455668).

The spelling of 71603225051 in words is "seventy-one billion, six hundred three million, two hundred twenty-five thousand, fifty-one".