1251333453104 has 40 divisors (see below), whose sum is σ = 2771011691520. Its totient is φ = 536246687808.

The previous prime is 1251333453103. The next prime is 1251333453119. The reversal of 1251333453104 is 4013543331521.

It is not an unprimeable number, because it can be changed into a prime (1251333453103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1163777 + ... + 1963935.

It is an arithmetic number, because the mean of its divisors is an integer number (69275292288).

Almost surely, 2^{1251333453104} is an apocalyptic number.

1251333453104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1251333453104 is an abundant number, since it is smaller than the sum of its proper divisors (1519678238416).

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

1251333453104 is a wasteful number, since it uses less digits than its factorization.

1251333453104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814137 (or 814131 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 1251333453104 its reverse (4013543331521), we get a palindrome (5264876784625).

The spelling of 1251333453104 in words is "one trillion, two hundred fifty-one billion, three hundred thirty-three million, four hundred fifty-three thousand, one hundred four".