1145551345530 has 32 divisors (see below), whose sum is σ = 2776544258688. Its totient is φ = 302455800000.

The previous prime is 1145551345493. The next prime is 1145551345553. The reversal of 1145551345530 is 355431555411.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189031846 + ... + 189037905.

It is an arithmetic number, because the mean of its divisors is an integer number (86767008084).

Almost surely, 2^{1145551345530} is an apocalyptic number.

1145551345530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1145551345530 is an abundant number, since it is smaller than the sum of its proper divisors (1630992913158).

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

1145551345530 is a wasteful number, since it uses less digits than its factorization.

1145551345530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378069862.

The product of its (nonzero) digits is 450000, while the sum is 42.

The spelling of 1145551345530 in words is "one trillion, one hundred forty-five billion, five hundred fifty-one million, three hundred forty-five thousand, five hundred thirty".