11273771430 has 128 divisors (see below), whose sum is σ = 30361968000. Its totient is φ = 2976652800.

The previous prime is 11273771381. The next prime is 11273771437. The reversal of 11273771430 is 3417737211.

It is a happy number.

11273771430 is a `hidden beast` number, since 1 + 127 + 37 + 71 + 430 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11273771437) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 17055300 + ... + 17055960.

It is an arithmetic number, because the mean of its divisors is an integer number (237202875).

Almost surely, 2^11273771430 is an apocalyptic number.

11273771430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11273771430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15180984000).

11273771430 is an abundant number, since it is smaller than the sum of its proper divisors (19088196570).

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

11273771430 is a wasteful number, since it uses less digits than its factorization.

11273771430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207 (or 1201 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 36.

The spelling of 11273771430 in words is "eleven billion, two hundred seventy-three million, seven hundred seventy-one thousand, four hundred thirty".