120373035215503 has 32 divisors (see below), whose sum is σ = 147054289536000. Its totient is φ = 96282132714240.

The previous prime is 120373035215453. The next prime is 120373035215551. The reversal of 120373035215503 is 305512530373021.

It is a cyclic number.

It is not a de Polignac number, because 120373035215503 - 2¹³ = 120373035207311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120373035215593) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 480407748 + ... + 480658246.

It is an arithmetic number, because the mean of its divisors is an integer number (4595446548000).

Almost surely, 2^{120373035215503} is an apocalyptic number.

120373035215503 is a deficient number, since it is larger than the sum of its proper divisors (26681254320497).

120373035215503 is a wasteful number, since it uses less digits than its factorization.

120373035215503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323367.

The product of its (nonzero) digits is 283500, while the sum is 40.

Adding to 120373035215503 its reverse (305512530373021), we get a palindrome (425885565588524).

The spelling of 120373035215503 in words is "one hundred twenty trillion, three hundred seventy-three billion, thirty-five million, two hundred fifteen thousand, five hundred three".