71958551054 has 16 divisors (see below), whose sum is σ = 116682727392. Its totient is φ = 33085355808.

The previous prime is 71958551033. The next prime is 71958551069. The reversal of 71958551054 is 45015585917.

It is a super-2 number, since 2×71958551054² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71958550993 and 71958551011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5254829 + ... + 5268504.

It is an arithmetic number, because the mean of its divisors is an integer number (7292670462).

Almost surely, 2^71958551054 is an apocalyptic number.

71958551054 is a deficient number, since it is larger than the sum of its proper divisors (44724176338).

71958551054 is a wasteful number, since it uses less digits than its factorization.

71958551054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10523611.

The product of its (nonzero) digits is 1260000, while the sum is 50.

The spelling of 71958551054 in words is "seventy-one billion, nine hundred fifty-eight million, five hundred fifty-one thousand, fifty-four".