1145777113557 has 32 divisors (see below), whose sum is σ = 1722379278720. Its totient is φ = 752703840000.

The previous prime is 1145777113549. The next prime is 1145777113567. The reversal of 1145777113557 is 7553117775411.

1145777113557 is a `hidden beast` number, since 1 + 1 + 4 + 5 + 7 + 7 + 71 + 13 + 557 = 666.

It is not a de Polignac number, because 1145777113557 - 2³ = 1145777113549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145777113567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 420244 + ... + 1571037.

It is an arithmetic number, because the mean of its divisors is an integer number (53824352460).

Almost surely, 2^{1145777113557} is an apocalyptic number.

It is an amenable number.

1145777113557 is a deficient number, since it is larger than the sum of its proper divisors (576602165163).

1145777113557 is a wasteful number, since it uses less digits than its factorization.

1145777113557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991602 (or 1991596 counting only the distinct ones).

The product of its digits is 3601500, while the sum is 54.

The spelling of 1145777113557 in words is "one trillion, one hundred forty-five billion, seven hundred seventy-seven million, one hundred thirteen thousand, five hundred fifty-seven".