70567157121 has 4 divisors (see below), whose sum is σ = 94089542832. Its totient is φ = 47044771412.

The previous prime is 70567157077. The next prime is 70567157137. The reversal of 70567157121 is 12175176507.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70567157121 - 2⁹ = 70567156609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70567157161) 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, 11761192851 + ... + 11761192856.

It is an arithmetic number, because the mean of its divisors is an integer number (23522385708).

Almost surely, 2^70567157121 is an apocalyptic number.

It is an amenable number.

70567157121 is a deficient number, since it is larger than the sum of its proper divisors (23522385711).

70567157121 is a wasteful number, since it uses less digits than its factorization.

70567157121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23522385710.

The product of its (nonzero) digits is 102900, while the sum is 42.

The spelling of 70567157121 in words is "seventy billion, five hundred sixty-seven million, one hundred fifty-seven thousand, one hundred twenty-one".