1157459784449 has 8 divisors (see below), whose sum is σ = 1189529264448. Its totient is φ = 1125431714160.

The previous prime is 1157459784443. The next prime is 1157459784529. The reversal of 1157459784449 is 9444879547511.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1157459784449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1157459784443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10295747 + ... + 10407560.

It is an arithmetic number, because the mean of its divisors is an integer number (148691158056).

Almost surely, 2^{1157459784449} is an apocalyptic number.

It is an amenable number.

1157459784449 is a deficient number, since it is larger than the sum of its proper divisors (32069479999).

1157459784449 is a wasteful number, since it uses less digits than its factorization.

1157459784449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20704855.

The product of its digits is 203212800, while the sum is 68.

The spelling of 1157459784449 in words is "one trillion, one hundred fifty-seven billion, four hundred fifty-nine million, seven hundred eighty-four thousand, four hundred forty-nine".