120356103543 has 32 divisors (see below), whose sum is σ = 184545392640. Its totient is φ = 69204481920.

The previous prime is 120356103533. The next prime is 120356103547. The reversal of 120356103543 is 345301653021.

It is not a de Polignac number, because 120356103543 - 2⁹ = 120356103031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120356103547) 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, 1681321 + ... + 1751442.

It is an arithmetic number, because the mean of its divisors is an integer number (5767043520).

Almost surely, 2^120356103543 is an apocalyptic number.

120356103543 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

120356103543 is a deficient number, since it is larger than the sum of its proper divisors (64189289097).

120356103543 is a wasteful number, since it uses less digits than its factorization.

120356103543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3432839.

The product of its (nonzero) digits is 32400, while the sum is 33.

Adding to 120356103543 its reverse (345301653021), we get a palindrome (465657756564).

The spelling of 120356103543 in words is "one hundred twenty billion, three hundred fifty-six million, one hundred three thousand, five hundred forty-three".