251000132101010 has 8 divisors (see below), whose sum is σ = 451800237781836. Its totient is φ = 100400052840400.

The previous prime is 251000132100989. The next prime is 251000132101027. The reversal of 251000132101010 is 10101231000152.

It can be written as a sum of positive squares in 2 ways, for example, as 213636021061849 + 37364111039161 = 14616293^2 + 6112619^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 251000132101010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12550006605041 + ... + 12550006605060.

Almost surely, 2^{251000132101010} is an apocalyptic number.

251000132101010 is a deficient number, since it is larger than the sum of its proper divisors (200800105680826).

251000132101010 is a wasteful number, since it uses less digits than its factorization.

251000132101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25100013210108.

The product of its (nonzero) digits is 60, while the sum is 17.

Adding to 251000132101010 its reverse (10101231000152), we get a palindrome (261101363101162).

The spelling of 251000132101010 in words is "two hundred fifty-one trillion, one hundred thirty-two million, one hundred one thousand, ten".