70111431086 has 4 divisors (see below), whose sum is σ = 105167146632. Its totient is φ = 35055715542.

The previous prime is 70111431083. The next prime is 70111431107. The reversal of 70111431086 is 68013411107.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68013411107 = 337 ⋅201820211.

It is a super-2 number, since 2×70111431086² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70111431083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17527857770 + ... + 17527857773.

It is an arithmetic number, because the mean of its divisors is an integer number (26291786658).

Almost surely, 2^70111431086 is an apocalyptic number.

70111431086 is a deficient number, since it is larger than the sum of its proper divisors (35055715546).

70111431086 is a wasteful number, since it uses less digits than its factorization.

70111431086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35055715545.

The product of its (nonzero) digits is 4032, while the sum is 32.

The spelling of 70111431086 in words is "seventy billion, one hundred eleven million, four hundred thirty-one thousand, eighty-six".