1305250145530 has 64 divisors (see below), whose sum is σ = 2384533831680. Its totient is φ = 514361745216.

The previous prime is 1305250145513. The next prime is 1305250145579. The reversal of 1305250145530 is 355410525031.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 227273839 + ... + 227279581.

It is an arithmetic number, because the mean of its divisors is an integer number (37258341120).

Almost surely, 2^{1305250145530} is an apocalyptic number.

1305250145530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1305250145530 is a deficient number, since it is larger than the sum of its proper divisors (1079283686150).

1305250145530 is a wasteful number, since it uses less digits than its factorization.

1305250145530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6955.

The product of its (nonzero) digits is 45000, while the sum is 34.

The spelling of 1305250145530 in words is "one trillion, three hundred five billion, two hundred fifty million, one hundred forty-five thousand, five hundred thirty".