71157623953 has 16 divisors (see below), whose sum is σ = 78284344320. Its totient is φ = 64267862976.

The previous prime is 71157623903. The next prime is 71157623983. The reversal of 71157623953 is 35932675117.

It is a cyclic number.

It is not a de Polignac number, because 71157623953 - 2³³ = 62567689361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71157623897 and 71157623906.

It is not an unprimeable number, because it can be changed into a prime (71157623903) 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, 2379651 + ... + 2409367.

It is an arithmetic number, because the mean of its divisors is an integer number (4892771520).

Almost surely, 2^71157623953 is an apocalyptic number.

It is an amenable number.

71157623953 is a deficient number, since it is larger than the sum of its proper divisors (7126720367).

71157623953 is a wasteful number, since it uses less digits than its factorization.

71157623953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33696.

The product of its digits is 1190700, while the sum is 49.

The spelling of 71157623953 in words is "seventy-one billion, one hundred fifty-seven million, six hundred twenty-three thousand, nine hundred fifty-three".