28503493102 has 32 divisors (see below), whose sum is σ = 49348465920. Its totient is φ = 12094583040.

The previous prime is 28503493097. The next prime is 28503493111. The reversal of 28503493102 is 20139430582.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3187774 + ... + 3196702.

It is an arithmetic number, because the mean of its divisors is an integer number (1542139560).

Almost surely, 2^28503493102 is an apocalyptic number.

28503493102 is a deficient number, since it is larger than the sum of its proper divisors (20844972818).

28503493102 is a wasteful number, since it uses less digits than its factorization.

28503493102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11176.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 28503493102 in words is "twenty-eight billion, five hundred three million, four hundred ninety-three thousand, one hundred two".