100542124415 has 4 divisors (see below), whose sum is σ = 120650549304. Its totient is φ = 80433699528.

The previous prime is 100542124363. The next prime is 100542124433. The reversal of 100542124415 is 514421245001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100542124415 - 2¹⁸ = 100541862271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10054212437 + ... + 10054212446.

It is an arithmetic number, because the mean of its divisors is an integer number (30162637326).

Almost surely, 2^100542124415 is an apocalyptic number.

100542124415 is a deficient number, since it is larger than the sum of its proper divisors (20108424889).

100542124415 is an equidigital number, since it uses as much as digits as its factorization.

100542124415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20108424888.

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 100542124415 its reverse (514421245001), we get a palindrome (614963369416).

The spelling of 100542124415 in words is "one hundred billion, five hundred forty-two million, one hundred twenty-four thousand, four hundred fifteen".