120069155428681 has 4 divisors (see below), whose sum is σ = 120069943131600. Its totient is φ = 120068367725764.

The previous prime is 120069155428679. The next prime is 120069155428721. The reversal of 120069155428681 is 186824551960021.

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 120069155428681 - 2¹ = 120069155428679 is a prime.

It is a super-2 number, since 2×120069155428681² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120069155428601) 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, 393622771 + ... + 393927688.

It is an arithmetic number, because the mean of its divisors is an integer number (30017485782900).

Almost surely, 2^{120069155428681} is an apocalyptic number.

It is an amenable number.

120069155428681 is a deficient number, since it is larger than the sum of its proper divisors (787702919).

120069155428681 is an equidigital number, since it uses as much as digits as its factorization.

120069155428681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787702918.

The product of its (nonzero) digits is 8294400, while the sum is 58.

The spelling of 120069155428681 in words is "one hundred twenty trillion, sixty-nine billion, one hundred fifty-five million, four hundred twenty-eight thousand, six hundred eighty-one".