1215151530530 has 16 divisors (see below), whose sum is σ = 2499740291520. Its totient is φ = 416623381872.

The previous prime is 1215151530503. The next prime is 1215151530553. The reversal of 1215151530530 is 350351515121.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8679653720 + ... + 8679653859.

It is an arithmetic number, because the mean of its divisors is an integer number (156233768220).

Almost surely, 2^{1215151530530} is an apocalyptic number.

1215151530530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1215151530530 is an abundant number, since it is smaller than the sum of its proper divisors (1284588760990).

1215151530530 is a wasteful number, since it uses less digits than its factorization.

1215151530530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17359307593.

The product of its (nonzero) digits is 11250, while the sum is 32.

The spelling of 1215151530530 in words is "one trillion, two hundred fifteen billion, one hundred fifty-one million, five hundred thirty thousand, five hundred thirty".