1251450142315 has 8 divisors (see below), whose sum is σ = 1503452536560. Its totient is φ = 1000018536672.

The previous prime is 1251450142253. The next prime is 1251450142339. The reversal of 1251450142315 is 5132410541521.

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 1251450142315 - 2¹⁷ = 1251450011243 is a prime.

It is a super-2 number, since 2×1251450142315² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142692325 + ... + 142701094.

It is an arithmetic number, because the mean of its divisors is an integer number (187931567070).

Almost surely, 2^{1251450142315} is an apocalyptic number.

1251450142315 is a deficient number, since it is larger than the sum of its proper divisors (252002394245).

1251450142315 is an equidigital number, since it uses as much as digits as its factorization.

1251450142315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285394301.

The product of its (nonzero) digits is 24000, while the sum is 34.

Adding to 1251450142315 its reverse (5132410541521), we get a palindrome (6383860683836).

The spelling of 1251450142315 in words is "one trillion, two hundred fifty-one billion, four hundred fifty million, one hundred forty-two thousand, three hundred fifteen".