70071100344081 has 12 divisors (see below), whose sum is σ = 103949320030452. Its totient is φ = 45451524547296.

The previous prime is 70071100344061. The next prime is 70071100344109. The reversal of 70071100344081 is 18044300117007.

70071100344081 is a `hidden beast` number, since 70 + 0 + 71 + 1 + 0 + 0 + 3 + 440 + 81 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 58750937287056 + 11320163057025 = 7664916^2 + 3364545^2 .

It is not a de Polignac number, because 70071100344081 - 2¹⁵ = 70071100311313 is a prime.

It is a super-2 number, since 2×70071100344081² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70071100344061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105211862046 + ... + 105211862711.

It is an arithmetic number, because the mean of its divisors is an integer number (8662443335871).

Almost surely, 2^{70071100344081} is an apocalyptic number.

It is an amenable number.

70071100344081 is a deficient number, since it is larger than the sum of its proper divisors (33878219686371).

70071100344081 is a wasteful number, since it uses less digits than its factorization.

70071100344081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210423724800 (or 210423724797 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The spelling of 70071100344081 in words is "seventy trillion, seventy-one billion, one hundred million, three hundred forty-four thousand, eighty-one".