1250140045081 has 8 divisors (see below), whose sum is σ = 1286179662944. Its totient is φ = 1214611627680.

The previous prime is 1250140045079. The next prime is 1250140045123. The reversal of 1250140045081 is 1805400410521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1250140045081 - 2¹ = 1250140045079 is a prime.

It is a super-2 number, since 2×1250140045081² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1250140040081) by changing a digit.

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, 127795155 + ... + 127804936.

It is an arithmetic number, because the mean of its divisors is an integer number (160772457868).

Almost surely, 2^{1250140045081} is an apocalyptic number.

It is an amenable number.

1250140045081 is a deficient number, since it is larger than the sum of its proper divisors (36039617863).

1250140045081 is an equidigital number, since it uses as much as digits as its factorization.

1250140045081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255600231.

The product of its (nonzero) digits is 6400, while the sum is 31.

The spelling of 1250140045081 in words is "one trillion, two hundred fifty billion, one hundred forty million, forty-five thousand, eighty-one".