1250350561320 has 128 divisors (see below), whose sum is σ = 4512543436800. Its totient is φ = 270752599296.

The previous prime is 1250350561319. The next prime is 1250350561349. The reversal of 1250350561320 is 231650530521.

It is a happy number.

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 31 ways as a sum of consecutive naturals, for example, 39155424 + ... + 39187343.

It is an arithmetic number, because the mean of its divisors is an integer number (35254245600).

Almost surely, 2^{1250350561320} is an apocalyptic number.

1250350561320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1250350561320 is an abundant number, since it is smaller than the sum of its proper divisors (3262192875480).

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

1250350561320 is a wasteful number, since it uses less digits than its factorization.

1250350561320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78342807 (or 78342803 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 33.

The spelling of 1250350561320 in words is "one trillion, two hundred fifty billion, three hundred fifty million, five hundred sixty-one thousand, three hundred twenty".