1144611689907 has 18 divisors (see below), whose sum is σ = 1775336209644. Its totient is φ = 654056410560.

The previous prime is 1144611689833. The next prime is 1144611689933. The reversal of 1144611689907 is 7099861164411.

It is a happy number.

It is not a de Polignac number, because 1144611689907 - 2¹¹ = 1144611687859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1144611687907) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12927307 + ... + 13015547.

Almost surely, 2^{1144611689907} is an apocalyptic number.

1144611689907 is a deficient number, since it is larger than the sum of its proper divisors (630724519737).

1144611689907 is an frugal number, since it uses more digits than its factorization.

1144611689907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176499 (or 88251 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 57.

The spelling of 1144611689907 in words is "one trillion, one hundred forty-four billion, six hundred eleven million, six hundred eighty-nine thousand, nine hundred seven".