1251015241120 has 48 divisors (see below), whose sum is σ = 2984217949440. Its totient is φ = 495547778304.

The previous prime is 1251015241033. The next prime is 1251015241159. The reversal of 1251015241120 is 211425101521.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37939080 + ... + 37972039.

It is an arithmetic number, because the mean of its divisors is an integer number (62171207280).

Almost surely, 2^{1251015241120} is an apocalyptic number.

1251015241120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1251015241120 is an abundant number, since it is smaller than the sum of its proper divisors (1733202708320).

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

1251015241120 is a wasteful number, since it uses less digits than its factorization.

1251015241120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75911237 (or 75911229 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 25.

The spelling of 1251015241120 in words is "one trillion, two hundred fifty-one billion, fifteen million, two hundred forty-one thousand, one hundred twenty".