71101202155 has 4 divisors (see below), whose sum is σ = 85321442592. Its totient is φ = 56880961720.

The previous prime is 71101202141. The next prime is 71101202209. The reversal of 71101202155 is 55120210117.

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

It is not a de Polignac number, because 71101202155 - 2²⁵ = 71067647723 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7110120211 + ... + 7110120220.

It is an arithmetic number, because the mean of its divisors is an integer number (21330360648).

Almost surely, 2^71101202155 is an apocalyptic number.

71101202155 is a deficient number, since it is larger than the sum of its proper divisors (14220240437).

71101202155 is a wasteful number, since it uses less digits than its factorization.

71101202155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14220240436.

The product of its (nonzero) digits is 700, while the sum is 25.

The spelling of 71101202155 in words is "seventy-one billion, one hundred one million, two hundred two thousand, one hundred fifty-five".