1170545545 has 48 divisors (see below), whose sum is σ = 1579538880. Its totient is φ = 831836928.

The previous prime is 1170545501. The next prime is 1170545561. The reversal of 1170545545 is 5455450711.

It is not a de Polignac number, because 1170545545 - 2¹⁹ = 1170021257 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2642094 + ... + 2642536.

It is an arithmetic number, because the mean of its divisors is an integer number (32907060).

Almost surely, 2^1170545545 is an apocalyptic number.

It is an amenable number.

1170545545 is a deficient number, since it is larger than the sum of its proper divisors (408993335).

1170545545 is a wasteful number, since it uses less digits than its factorization.

1170545545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586 (or 573 counting only the distinct ones).

The product of its (nonzero) digits is 70000, while the sum is 37.

The square root of 1170545545 is about 34213.2364005512. The cubic root of 1170545545 is about 1053.8919942689.

The spelling of 1170545545 in words is "one billion, one hundred seventy million, five hundred forty-five thousand, five hundred forty-five".