71193736151 has 4 divisors (see below), whose sum is σ = 73648692600. Its totient is φ = 68738779704.

The previous prime is 71193736069. The next prime is 71193736153. The reversal of 71193736151 is 15163739117.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 71193736151 - 2¹⁸ = 71193474007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71193736153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1227478181 + ... + 1227478238.

It is an arithmetic number, because the mean of its divisors is an integer number (18412173150).

Almost surely, 2^71193736151 is an apocalyptic number.

71193736151 is a deficient number, since it is larger than the sum of its proper divisors (2454956449).

71193736151 is a wasteful number, since it uses less digits than its factorization.

71193736151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2454956448.

The product of its digits is 119070, while the sum is 44.

The spelling of 71193736151 in words is "seventy-one billion, one hundred ninety-three million, seven hundred thirty-six thousand, one hundred fifty-one".