120534255023015 has 16 divisors (see below), whose sum is σ = 145613086344000. Its totient is φ = 95781051412992.

The previous prime is 120534255023011. The next prime is 120534255023027. The reversal of 120534255023015 is 510320552435021.

It is a cyclic number.

It is not a de Polignac number, because 120534255023015 - 2² = 120534255023011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120534255023015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120534255023011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101551580 + ... + 102731649.

It is an arithmetic number, because the mean of its divisors is an integer number (9100817896500).

Almost surely, 2^{120534255023015} is an apocalyptic number.

120534255023015 is a deficient number, since it is larger than the sum of its proper divisors (25078831320985).

120534255023015 is a wasteful number, since it uses less digits than its factorization.

120534255023015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204284026.

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 120534255023015 in words is "one hundred twenty trillion, five hundred thirty-four billion, two hundred fifty-five million, twenty-three thousand, fifteen".