70872953111 has 4 divisors (see below), whose sum is σ = 71523163800. Its totient is φ = 70222742424.

The previous prime is 70872953101. The next prime is 70872953117. The reversal of 70872953111 is 11135927807.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70872953111 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 (70872953117) 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, 325105181 + ... + 325105398.

It is an arithmetic number, because the mean of its divisors is an integer number (17880790950).

Almost surely, 2^70872953111 is an apocalyptic number.

70872953111 is a deficient number, since it is larger than the sum of its proper divisors (650210689).

70872953111 is a wasteful number, since it uses less digits than its factorization.

70872953111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650210688.

The product of its (nonzero) digits is 105840, while the sum is 44.

The spelling of 70872953111 in words is "seventy billion, eight hundred seventy-two million, nine hundred fifty-three thousand, one hundred eleven".