120253403522015 has 16 divisors (see below), whose sum is σ = 144407363587200. Its totient is φ = 96133875509760.

The previous prime is 120253403521939. The next prime is 120253403522053. The reversal of 120253403522015 is 510225304352021.

It is a de Polignac number, because none of the positive numbers 2^k-120253403522015 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177961511 + ... + 178635959.

It is an arithmetic number, because the mean of its divisors is an integer number (9025460224200).

Almost surely, 2^{120253403522015} is an apocalyptic number.

120253403522015 is a deficient number, since it is larger than the sum of its proper divisors (24153960065185).

120253403522015 is a wasteful number, since it uses less digits than its factorization.

120253403522015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699922.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 120253403522015 its reverse (510225304352021), we get a palindrome (630478707874036).

The spelling of 120253403522015 in words is "one hundred twenty trillion, two hundred fifty-three billion, four hundred three million, five hundred twenty-two thousand, fifteen".