4542432121115 has 32 divisors (see below), whose sum is σ = 6469637982720. Its totient is φ = 2996964520704.

The previous prime is 4542432121111. The next prime is 4542432121121. The reversal of 4542432121115 is 5111212342454.

It is not a de Polignac number, because 4542432121115 - 2² = 4542432121111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (4542432121111) 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, 22423250 + ... + 22624919.

It is an arithmetic number, because the mean of its divisors is an integer number (202176186960).

Almost surely, 2^{4542432121115} is an apocalyptic number.

4542432121115 is a deficient number, since it is larger than the sum of its proper divisors (1927205861605).

4542432121115 is a wasteful number, since it uses less digits than its factorization.

4542432121115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45048291.

The product of its digits is 38400, while the sum is 35.

Adding to 4542432121115 its reverse (5111212342454), we get a palindrome (9653644463569).

The spelling of 4542432121115 in words is "four trillion, five hundred forty-two billion, four hundred thirty-two million, one hundred twenty-one thousand, one hundred fifteen".