71151403428 has 60 divisors (see below), whose sum is σ = 212575804672. Its totient is φ = 20328971760.

The previous prime is 71151403331. The next prime is 71151403579. The reversal of 71151403428 is 82430415117.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 71151403392 and 71151403401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15683668 + ... + 15688203.

Almost surely, 2^71151403428 is an apocalyptic number.

It is an amenable number.

71151403428 is an abundant number, since it is smaller than the sum of its proper divisors (141424401244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71151403428 is a wasteful number, since it uses less digits than its factorization.

71151403428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31371894 (or 31371883 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The spelling of 71151403428 in words is "seventy-one billion, one hundred fifty-one million, four hundred three thousand, four hundred twenty-eight".