11273921240 has 16 divisors (see below), whose sum is σ = 25366322880. Its totient is φ = 4509568480.

The previous prime is 11273921231. The next prime is 11273921257. The reversal of 11273921240 is 4212937211.

It is a junction number, because it is equal to n+sod(n) for n = 11273921197 and 11273921206.

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, 140923976 + ... + 140924055.

It is an arithmetic number, because the mean of its divisors is an integer number (1585395180).

Almost surely, 2^11273921240 is an apocalyptic number.

11273921240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11273921240 is an abundant number, since it is smaller than the sum of its proper divisors (14092401640).

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

11273921240 is a wasteful number, since it uses less digits than its factorization.

11273921240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281848042 (or 281848038 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The spelling of 11273921240 in words is "eleven billion, two hundred seventy-three million, nine hundred twenty-one thousand, two hundred forty".