1331135563250 has 32 divisors (see below), whose sum is σ = 2492463692160. Its totient is φ = 532330738800.

The previous prime is 1331135563229. The next prime is 1331135563259. The reversal of 1331135563250 is 523655311331.

It is not an unprimeable number, because it can be changed into a prime (1331135563259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 466481 + ... + 1697019.

It is an arithmetic number, because the mean of its divisors is an integer number (77889490380).

Almost surely, 2^{1331135563250} is an apocalyptic number.

1331135563250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1331135563250 is a deficient number, since it is larger than the sum of its proper divisors (1161328128910).

1331135563250 is a wasteful number, since it uses less digits than its factorization.

1331135563250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234883 (or 1234873 counting only the distinct ones).

The product of its (nonzero) digits is 121500, while the sum is 38.

The spelling of 1331135563250 in words is "one trillion, three hundred thirty-one billion, one hundred thirty-five million, five hundred sixty-three thousand, two hundred fifty".