11273839902 has 32 divisors (see below), whose sum is σ = 26980131360. Its totient is φ = 3468873600.

The previous prime is 11273839883. The next prime is 11273839903. The reversal of 11273839902 is 20993837211.

It is a super-2 number, since 2×11273839902² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11273839903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8029099 + ... + 8030502.

It is an arithmetic number, because the mean of its divisors is an integer number (843129105).

Almost surely, 2^11273839902 is an apocalyptic number.

11273839902 is an abundant number, since it is smaller than the sum of its proper divisors (15706291458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11273839902 is a wasteful number, since it uses less digits than its factorization.

11273839902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16059625 (or 16059619 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The spelling of 11273839902 in words is "eleven billion, two hundred seventy-three million, eight hundred thirty-nine thousand, nine hundred two".