1145751857505 has 48 divisors (see below), whose sum is σ = 2032990090560. Its totient is φ = 596611580544.

The previous prime is 1145751857491. The next prime is 1145751857527. The reversal of 1145751857505 is 5057581575411.

1145751857505 is a `hidden beast` number, since 1 + 1 + 4 + 5 + 7 + 51 + 85 + 7 + 505 = 666.

It is not a de Polignac number, because 1145751857505 - 2⁹ = 1145751856993 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, 4637767 + ... + 4878563.

It is an arithmetic number, because the mean of its divisors is an integer number (42353960220).

Almost surely, 2^{1145751857505} is an apocalyptic number.

1145751857505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1145751857505 is a deficient number, since it is larger than the sum of its proper divisors (887238233055).

1145751857505 is a wasteful number, since it uses less digits than its factorization.

1145751857505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243310 (or 243307 counting only the distinct ones).

The product of its (nonzero) digits is 4900000, while the sum is 54.

The spelling of 1145751857505 in words is "one trillion, one hundred forty-five billion, seven hundred fifty-one million, eight hundred fifty-seven thousand, five hundred five".