1251340596968 has 128 divisors (see below), whose sum is σ = 2978809344000. Its totient is φ = 478671448320.

The previous prime is 1251340596959. The next prime is 1251340596973. The reversal of 1251340596968 is 8696950431521.

It is a happy number.

It is a super-2 number, since 2×1251340596968² (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 31 ways as a sum of consecutive naturals, for example, 8639030 + ... + 8782682.

It is an arithmetic number, because the mean of its divisors is an integer number (23271948000).

Almost surely, 2^{1251340596968} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1251340596968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1489404672000).

1251340596968 is an abundant number, since it is smaller than the sum of its proper divisors (1727468747032).

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

1251340596968 is a wasteful number, since it uses less digits than its factorization.

1251340596968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143935 (or 143931 counting only the distinct ones).

The product of its (nonzero) digits is 13996800, while the sum is 59.

The spelling of 1251340596968 in words is "one trillion, two hundred fifty-one billion, three hundred forty million, five hundred ninety-six thousand, nine hundred sixty-eight".