1159453909644 has 48 divisors (see below), whose sum is σ = 2719262380800. Its totient is φ = 384503613120.

The previous prime is 1159453909643. The next prime is 1159453909721. The reversal of 1159453909644 is 4469093549511.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1159453909643) 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, 32752834 + ... + 32788214.

It is an arithmetic number, because the mean of its divisors is an integer number (56651299600).

Almost surely, 2^{1159453909644} is an apocalyptic number.

It is an amenable number.

1159453909644 is an abundant number, since it is smaller than the sum of its proper divisors (1559808471156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1159453909644 is a wasteful number, since it uses less digits than its factorization.

1159453909644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49310 (or 49308 counting only the distinct ones).

The product of its (nonzero) digits is 20995200, while the sum is 60.

The spelling of 1159453909644 in words is "one trillion, one hundred fifty-nine billion, four hundred fifty-three million, nine hundred nine thousand, six hundred forty-four".