11428657293 has 16 divisors (see below), whose sum is σ = 15331680000. Its totient is φ = 7572421440.

The previous prime is 11428657291. The next prime is 11428657309. The reversal of 11428657293 is 39275682411.

11428657293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11428657293 - 2¹ = 11428657291 is a prime.

It is a super-2 number, since 2×11428657293² (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 (11428657291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1052908 + ... + 1063706.

It is an arithmetic number, because the mean of its divisors is an integer number (958230000).

Almost surely, 2^11428657293 is an apocalyptic number.

It is an amenable number.

11428657293 is a deficient number, since it is larger than the sum of its proper divisors (3903022707).

11428657293 is a wasteful number, since it uses less digits than its factorization.

11428657293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12932.

The product of its digits is 725760, while the sum is 48.

The spelling of 11428657293 in words is "eleven billion, four hundred twenty-eight million, six hundred fifty-seven thousand, two hundred ninety-three".