1156002304545 has 48 divisors (see below), whose sum is σ = 2300942404800. Its totient is φ = 530986700160.

The previous prime is 1156002304543. The next prime is 1156002304607. The reversal of 1156002304545 is 5454032006511.

1156002304545 is a `hidden beast` number, since 1 + 1 + 5 + 600 + 2 + 3 + 0 + 4 + 5 + 45 = 666.

It is not a de Polignac number, because 1156002304545 - 2¹ = 1156002304543 is a prime.

It is a super-2 number, since 2×1156002304545² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1156002304543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61447390 + ... + 61466199.

It is an arithmetic number, because the mean of its divisors is an integer number (47936300100).

Almost surely, 2^{1156002304545} is an apocalyptic number.

1156002304545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1156002304545 is a deficient number, since it is larger than the sum of its proper divisors (1144940100255).

1156002304545 is a wasteful number, since it uses less digits than its factorization.

1156002304545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122913630 (or 122913627 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 1156002304545 in words is "one trillion, one hundred fifty-six billion, two million, three hundred four thousand, five hundred forty-five".