11713244145 has 16 divisors (see below), whose sum is σ = 18759081600. Its totient is φ = 6241099904.

The previous prime is 11713244143. The next prime is 11713244177. The reversal of 11713244145 is 54144231711.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11713244145 - 2¹ = 11713244143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11713244143) 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, 356469 + ... + 387938.

It is an arithmetic number, because the mean of its divisors is an integer number (1172442600).

Almost surely, 2^11713244145 is an apocalyptic number.

11713244145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11713244145 is a deficient number, since it is larger than the sum of its proper divisors (7045837455).

11713244145 is a wasteful number, since it uses less digits than its factorization.

11713244145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745464.

The product of its digits is 13440, while the sum is 33.

Adding to 11713244145 its reverse (54144231711), we get a palindrome (65857475856).

The spelling of 11713244145 in words is "eleven billion, seven hundred thirteen million, two hundred forty-four thousand, one hundred forty-five".