1253301150450 has 96 divisors (see below), whose sum is σ = 3223469309760. Its totient is φ = 321875769600.

The previous prime is 1253301150407. The next prime is 1253301150457. The reversal of 1253301150450 is 540511033521.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1253301150457) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1364085 + ... + 2089815.

It is an arithmetic number, because the mean of its divisors is an integer number (33577805310).

Almost surely, 2^{1253301150450} is an apocalyptic number.

1253301150450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1253301150450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1611734654880).

1253301150450 is an abundant number, since it is smaller than the sum of its proper divisors (1970168159310).

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

1253301150450 is a wasteful number, since it uses less digits than its factorization.

1253301150450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726172 (or 726167 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 1253301150450 its reverse (540511033521), we get a palindrome (1793812183971).

The spelling of 1253301150450 in words is "one trillion, two hundred fifty-three billion, three hundred one million, one hundred fifty thousand, four hundred fifty".