1149433663591 has 4 divisors (see below), whose sum is σ = 1153356645672. Its totient is φ = 1145510681512.

The previous prime is 1149433663583. The next prime is 1149433663607. The reversal of 1149433663591 is 1953663349411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1149433663591 - 2³ = 1149433663583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149433664591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1961490601 + ... + 1961491186.

It is an arithmetic number, because the mean of its divisors is an integer number (288339161418).

Almost surely, 2^{1149433663591} is an apocalyptic number.

1149433663591 is a deficient number, since it is larger than the sum of its proper divisors (3922982081).

1149433663591 is an equidigital number, since it uses as much as digits as its factorization.

1149433663591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3922982080.

The product of its digits is 6298560, while the sum is 55.

The spelling of 1149433663591 in words is "one trillion, one hundred forty-nine billion, four hundred thirty-three million, six hundred sixty-three thousand, five hundred ninety-one".