71120651506611 has 32 divisors (see below), whose sum is σ = 115014296613888. Its totient is φ = 38161425438720.

The previous prime is 71120651506603. The next prime is 71120651506657. The reversal of 71120651506611 is 11660515602117.

It is not a de Polignac number, because 71120651506611 - 2³ = 71120651506603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71120651106611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 229888735 + ... + 230197896.

It is an arithmetic number, because the mean of its divisors is an integer number (3594196769184).

Almost surely, 2^{71120651506611} is an apocalyptic number.

71120651506611 is a deficient number, since it is larger than the sum of its proper divisors (43893645107277).

71120651506611 is a wasteful number, since it uses less digits than its factorization.

71120651506611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460087091.

The product of its (nonzero) digits is 75600, while the sum is 42.

The spelling of 71120651506611 in words is "seventy-one trillion, one hundred twenty billion, six hundred fifty-one million, five hundred six thousand, six hundred eleven".