1179395807545 has 32 divisors (see below), whose sum is σ = 1508920358400. Its totient is φ = 882368038656.

The previous prime is 1179395807539. The next prime is 1179395807549. The reversal of 1179395807545 is 5457085939711.

It is a cyclic number.

It is not a de Polignac number, because 1179395807545 - 2¹⁹ = 1179395283257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1179395807549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47396647 + ... + 47421523.

It is an arithmetic number, because the mean of its divisors is an integer number (47153761200).

Almost surely, 2^{1179395807545} is an apocalyptic number.

It is an amenable number.

1179395807545 is a deficient number, since it is larger than the sum of its proper divisors (329524550855).

1179395807545 is a wasteful number, since it uses less digits than its factorization.

1179395807545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31297.

The product of its (nonzero) digits is 47628000, while the sum is 64.

The spelling of 1179395807545 in words is "one trillion, one hundred seventy-nine billion, three hundred ninety-five million, eight hundred seven thousand, five hundred forty-five".