100540243502 has 32 divisors (see below), whose sum is σ = 152801510400. Its totient is φ = 49611991968.

The previous prime is 100540243487. The next prime is 100540243513. The reversal of 100540243502 is 205342045001.

It is a happy number.

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, 32651999 + ... + 32655077.

It is an arithmetic number, because the mean of its divisors is an integer number (4775047200).

Almost surely, 2^100540243502 is an apocalyptic number.

100540243502 is a deficient number, since it is larger than the sum of its proper divisors (52261266898).

100540243502 is a wasteful number, since it uses less digits than its factorization.

100540243502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3920.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 100540243502 its reverse (205342045001), we get a palindrome (305882288503).

The spelling of 100540243502 in words is "one hundred billion, five hundred forty million, two hundred forty-three thousand, five hundred two".