1155312102530 has 16 divisors (see below), whose sum is σ = 2092319835264. Its totient is φ = 459289718640.

The previous prime is 1155312102523. The next prime is 1155312102557. The reversal of 1155312102530 is 352012135511.

It is a junction number, because it is equal to n+sod(n) for n = 1155312102493 and 1155312102502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354388586 + ... + 354391845.

It is an arithmetic number, because the mean of its divisors is an integer number (130769989704).

Almost surely, 2^{1155312102530} is an apocalyptic number.

1155312102530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1155312102530 is a deficient number, since it is larger than the sum of its proper divisors (937007732734).

1155312102530 is a wasteful number, since it uses less digits than its factorization.

1155312102530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708780601.

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 1155312102530 in words is "one trillion, one hundred fifty-five billion, three hundred twelve million, one hundred two thousand, five hundred thirty".