11128256373 has 16 divisors (see below), whose sum is σ = 16017013376. Its totient is φ = 6831881280.

The previous prime is 11128256309. The next prime is 11128256387. The reversal of 11128256373 is 37365282111.

It is a happy number.

It is not a de Polignac number, because 11128256373 - 2⁶ = 11128256309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11128256173) 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, 322465 + ... + 355302.

It is an arithmetic number, because the mean of its divisors is an integer number (1001063336).

Almost surely, 2^11128256373 is an apocalyptic number.

11128256373 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11128256373 is a deficient number, since it is larger than the sum of its proper divisors (4888757003).

11128256373 is a wasteful number, since it uses less digits than its factorization.

11128256373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678204.

The product of its digits is 60480, while the sum is 39.

The spelling of 11128256373 in words is "eleven billion, one hundred twenty-eight million, two hundred fifty-six thousand, three hundred seventy-three".