11143254657 has 8 divisors (see below), whose sum is σ = 15109498080. Its totient is φ = 7302923840.

The previous prime is 11143254623. The next prime is 11143254671. The reversal of 11143254657 is 75645234111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11143254657 - 2⁶ = 11143254593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11143254607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31477944 + ... + 31478297.

It is an arithmetic number, because the mean of its divisors is an integer number (1888687260).

Almost surely, 2^11143254657 is an apocalyptic number.

It is an amenable number.

11143254657 is a deficient number, since it is larger than the sum of its proper divisors (3966243423).

11143254657 is an equidigital number, since it uses as much as digits as its factorization.

11143254657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62956303.

The product of its digits is 100800, while the sum is 39.

Adding to 11143254657 its reverse (75645234111), we get a palindrome (86788488768).

The spelling of 11143254657 in words is "eleven billion, one hundred forty-three million, two hundred fifty-four thousand, six hundred fifty-seven".