1145755662820 has 24 divisors (see below), whose sum is σ = 2457280232064. Its totient is φ = 448551152736.

The previous prime is 1145755662809. The next prime is 1145755662851. The reversal of 1145755662820 is 282665575411.

It is a super-3 number, since 3×1145755662820³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 609443562 + ... + 609445441.

It is an arithmetic number, because the mean of its divisors is an integer number (102386676336).

Almost surely, 2^{1145755662820} is an apocalyptic number.

1145755662820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1145755662820 is an abundant number, since it is smaller than the sum of its proper divisors (1311524569244).

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

1145755662820 is a wasteful number, since it uses less digits than its factorization.

1145755662820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218889059 (or 1218889057 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 52.

The spelling of 1145755662820 in words is "one trillion, one hundred forty-five billion, seven hundred fifty-five million, six hundred sixty-two thousand, eight hundred twenty".