70371211111111 has 2 divisors, whose sum is σ = 70371211111112. Its totient is φ = 70371211111110.

The previous prime is 70371211111063. The next prime is 70371211111211. The reversal of 70371211111111 is 11111111217307.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70371211111111 - 2³¹ = 70369063627463 is a prime.

70371211111111 is a modest number, since divided by 11111111 gives 703712 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 70371211111111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70371211111211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35185605555555 + 35185605555556.

It is an arithmetic number, because the mean of its divisors is an integer number (35185605555556).

Almost surely, 2^{70371211111111} is an apocalyptic number.

70371211111111 is a deficient number, since it is larger than the sum of its proper divisors (1).

70371211111111 is an equidigital number, since it uses as much as digits as its factorization.

70371211111111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 294, while the sum is 28.

Adding to 70371211111111 its reverse (11111111217307), we get a palindrome (81482322328418).

The spelling of 70371211111111 in words is "seventy trillion, three hundred seventy-one billion, two hundred eleven million, one hundred eleven thousand, one hundred eleven".