11273980040 has 32 divisors (see below), whose sum is σ = 25371711000. Its totient is φ = 4508657664.

The previous prime is 11273980033. The next prime is 11273980073. The reversal of 11273980040 is 4008937211.

It is a Cunningham number, because it is equal to 106179²-1.

It can be written as a sum of positive squares in 4 ways, for example, as 2433843556 + 8840136484 = 49334^2 + 94022^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185816 + ... + 238904.

Almost surely, 2^11273980040 is an apocalyptic number.

11273980040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11273980040 is an abundant number, since it is smaller than the sum of its proper divisors (14097730960).

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

11273980040 is a wasteful number, since it uses less digits than its factorization.

11273980040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58409 (or 58405 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The spelling of 11273980040 in words is "eleven billion, two hundred seventy-three million, nine hundred eighty thousand, forty".