1551143350250 has 128 divisors (see below), whose sum is σ = 3218886216000. Its totient is φ = 555990220800.

The previous prime is 1551143350201. The next prime is 1551143350301. The reversal of 1551143350250 is 520533411551.

It can be written as a sum of positive squares in 32 ways, for example, as 470048731201 + 1081094619049 = 685601^2 + 1039757^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1551143350250.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 53977886 + ... + 54006614.

Almost surely, 2^{1551143350250} is an apocalyptic number.

1551143350250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1551143350250 is an abundant number, since it is smaller than the sum of its proper divisors (1667742865750).

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

1551143350250 is a wasteful number, since it uses less digits than its factorization.

1551143350250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29245 (or 29235 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 35.

The spelling of 1551143350250 in words is "one trillion, five hundred fifty-one billion, one hundred forty-three million, three hundred fifty thousand, two hundred fifty".