70561215607121 has 16 divisors (see below), whose sum is σ = 74042109715968. Its totient is φ = 67155939561600.

The previous prime is 70561215607109. The next prime is 70561215607123. The reversal of 70561215607121 is 12170651216507.

It is a cyclic number.

It is not a de Polignac number, because 70561215607121 - 2¹⁴ = 70561215590737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70561215607123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10451141 + ... + 15822413.

It is an arithmetic number, because the mean of its divisors is an integer number (4627631857248).

Almost surely, 2^{70561215607121} is an apocalyptic number.

It is an amenable number.

70561215607121 is a deficient number, since it is larger than the sum of its proper divisors (3480894108847).

70561215607121 is a wasteful number, since it uses less digits than its factorization.

70561215607121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5378312.

The product of its (nonzero) digits is 176400, while the sum is 44.

The spelling of 70561215607121 in words is "seventy trillion, five hundred sixty-one billion, two hundred fifteen million, six hundred seven thousand, one hundred twenty-one".