120156115027057 has 4 divisors (see below), whose sum is σ = 120156555260016. Its totient is φ = 120155674794100.

The previous prime is 120156115026977. The next prime is 120156115027061. The reversal of 120156115027057 is 750720511651021.

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 a de Polignac number, because none of the positive numbers 2^k-120156115027057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120156115027657) 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, 219706819 + ... + 220253032.

It is an arithmetic number, because the mean of its divisors is an integer number (30039138815004).

Almost surely, 2^{120156115027057} is an apocalyptic number.

It is an amenable number.

120156115027057 is a deficient number, since it is larger than the sum of its proper divisors (440232959).

120156115027057 is an equidigital number, since it uses as much as digits as its factorization.

120156115027057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440232958.

The product of its (nonzero) digits is 147000, while the sum is 43.

Adding to 120156115027057 its reverse (750720511651021), we get a palindrome (870876626678078).

The spelling of 120156115027057 in words is "one hundred twenty trillion, one hundred fifty-six billion, one hundred fifteen million, twenty-seven thousand, fifty-seven".