1250020431115 has 64 divisors (see below), whose sum is σ = 1638825965568. Its totient is φ = 911725516800.

The previous prime is 1250020431097. The next prime is 1250020431197. The reversal of 1250020431115 is 5111340200521.

It is not a de Polignac number, because 1250020431115 - 2¹⁹ = 1250019906827 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1250020431115.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 598954602 + ... + 598956688.

It is an arithmetic number, because the mean of its divisors is an integer number (25606655712).

Almost surely, 2^{1250020431115} is an apocalyptic number.

1250020431115 is a deficient number, since it is larger than the sum of its proper divisors (388805534453).

1250020431115 is a wasteful number, since it uses less digits than its factorization.

1250020431115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3868.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 1250020431115 its reverse (5111340200521), we get a palindrome (6361360631636).

The spelling of 1250020431115 in words is "one trillion, two hundred fifty billion, twenty million, four hundred thirty-one thousand, one hundred fifteen".