70012836351061 has 4 divisors (see below), whose sum is σ = 70015239924300. Its totient is φ = 70010432777824.

The previous prime is 70012836351011. The next prime is 70012836351067. The reversal of 70012836351061 is 16015363821007.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 42330443254225 + 27682393096836 = 6506185^2 + 5261406^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70012836351061 is a prime.

It is a super-2 number, since 2×70012836351061² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70012836350999 and 70012836351017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70012836351067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1201742926 + ... + 1201801183.

It is an arithmetic number, because the mean of its divisors is an integer number (17503809981075).

Almost surely, 2^{70012836351061} is an apocalyptic number.

It is an amenable number.

70012836351061 is a deficient number, since it is larger than the sum of its proper divisors (2403573239).

70012836351061 is a wasteful number, since it uses less digits than its factorization.

70012836351061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2403573238.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 70012836351061 in words is "seventy trillion, twelve billion, eight hundred thirty-six million, three hundred fifty-one thousand, sixty-one".