70718111 has 2 divisors, whose sum is σ = 70718112. Its totient is φ = 70718110.

The previous prime is 70718069. The next prime is 70718117. The reversal of 70718111 is 11181707.

It is a strong prime.

It is an emirp because it is prime and its reverse (11181707) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70718111 - 2¹⁸ = 70455967 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70718117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35359055 + 35359056.

It is an arithmetic number, because the mean of its divisors is an integer number (35359056).

Almost surely, 2^70718111 is an apocalyptic number.

70718111 is a deficient number, since it is larger than the sum of its proper divisors (1).

70718111 is an equidigital number, since it uses as much as digits as its factorization.

70718111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 392, while the sum is 26.

The square root of 70718111 is about 8409.4061026924. The cubic root of 70718111 is about 413.5330429436.

Adding to 70718111 its reverse (11181707), we get a palindrome (81899818).

The spelling of 70718111 in words is "seventy million, seven hundred eighteen thousand, one hundred eleven".