71501000899 has 2 divisors, whose sum is σ = 71501000900. Its totient is φ = 71501000898.

The previous prime is 71501000897. The next prime is 71501000903. The reversal of 71501000899 is 99800010517.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71501000899 - 2¹ = 71501000897 is a prime.

It is a super-2 number, since 2×71501000899² (a number of 23 digits) contains 22 as substring.

Together with 71501000897, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (71501000897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35750500449 + 35750500450.

It is an arithmetic number, because the mean of its divisors is an integer number (35750500450).

Almost surely, 2^71501000899 is an apocalyptic number.

71501000899 is a deficient number, since it is larger than the sum of its proper divisors (1).

71501000899 is an equidigital number, since it uses as much as digits as its factorization.

71501000899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 40.

The spelling of 71501000899 in words is "seventy-one billion, five hundred one million, eight hundred ninety-nine", and thus it is an aban number.