71533154123 has 16 divisors (see below), whose sum is σ = 75075932160. Its totient is φ = 68062999200.

The previous prime is 71533154117. The next prime is 71533154137. The reversal of 71533154123 is 32145133517.

It is a cyclic number.

It is not a de Polignac number, because 71533154123 - 2¹⁰ = 71533153099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71533154113) 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, 5493086 + ... + 5506092.

It is an arithmetic number, because the mean of its divisors is an integer number (4692245760).

Almost surely, 2^71533154123 is an apocalyptic number.

71533154123 is a deficient number, since it is larger than the sum of its proper divisors (3542778037).

71533154123 is a wasteful number, since it uses less digits than its factorization.

71533154123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15778.

The product of its digits is 37800, while the sum is 35.

The spelling of 71533154123 in words is "seventy-one billion, five hundred thirty-three million, one hundred fifty-four thousand, one hundred twenty-three".