10990109902 has 8 divisors (see below), whose sum is σ = 16488947736. Its totient is φ = 5493793992.

The previous prime is 10990109873. The next prime is 10990109953. The reversal of 10990109902 is 20990109901.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 619548 + ... + 637039.

It is an arithmetic number, because the mean of its divisors is an integer number (2061118467).

Almost surely, 2^10990109902 is an apocalyptic number.

10990109902 is a deficient number, since it is larger than the sum of its proper divisors (5498837834).

10990109902 is a wasteful number, since it uses less digits than its factorization.

10990109902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260962.

The product of its (nonzero) digits is 13122, while the sum is 40.

Subtracting 10990109902 from its reverse (20990109901), we obtain a palindrome (9999999999).

The spelling of 10990109902 in words is "ten billion, nine hundred ninety million, one hundred nine thousand, nine hundred two".