71134534425 has 24 divisors (see below), whose sum is σ = 119602478880. Its totient is φ = 37295392000.

The previous prime is 71134534399. The next prime is 71134534439. The reversal of 71134534425 is 52443543117.

It is not a de Polignac number, because 71134534425 - 2¹³ = 71134526233 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8033376 + ... + 8042225.

It is an arithmetic number, because the mean of its divisors is an integer number (4983436620).

Almost surely, 2^71134534425 is an apocalyptic number.

71134534425 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

71134534425 is a deficient number, since it is larger than the sum of its proper divisors (48467944455).

71134534425 is a wasteful number, since it uses less digits than its factorization.

71134534425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16075673 (or 16075668 counting only the distinct ones).

The product of its digits is 201600, while the sum is 39.

The spelling of 71134534425 in words is "seventy-one billion, one hundred thirty-four million, five hundred thirty-four thousand, four hundred twenty-five".