23070211511111 has 4 divisors (see below), whose sum is σ = 23103598214424. Its totient is φ = 23036824807800.

The previous prime is 23070211511107. The next prime is 23070211511161. The reversal of 23070211511111 is 11111511207032.

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

It is a cyclic number.

It is not a de Polignac number, because 23070211511111 - 2² = 23070211511107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23070211511161) 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, 16693350620 + ... + 16693352001.

It is an arithmetic number, because the mean of its divisors is an integer number (5775899553606).

Almost surely, 2^{23070211511111} is an apocalyptic number.

23070211511111 is a deficient number, since it is larger than the sum of its proper divisors (33386703313).

23070211511111 is an equidigital number, since it uses as much as digits as its factorization.

23070211511111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33386703312.

The product of its (nonzero) digits is 420, while the sum is 26.

Adding to 23070211511111 its reverse (11111511207032), we get a palindrome (34181722718143).

The spelling of 23070211511111 in words is "twenty-three trillion, seventy billion, two hundred eleven million, five hundred eleven thousand, one hundred eleven".