70871405011 has 24 divisors (see below), whose sum is σ = 78480565520. Its totient is φ = 63949279680.

The previous prime is 70871404999. The next prime is 70871405029. The reversal of 70871405011 is 11050417807.

It is not a de Polignac number, because 70871405011 - 2⁷ = 70871404883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70871405041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27715345 + ... + 27717901.

Almost surely, 2^70871405011 is an apocalyptic number.

70871405011 is a deficient number, since it is larger than the sum of its proper divisors (7609160509).

70871405011 is a wasteful number, since it uses less digits than its factorization.

70871405011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4195 (or 4184 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 34.

The spelling of 70871405011 in words is "seventy billion, eight hundred seventy-one million, four hundred five thousand, eleven".