1252304540455 has 4 divisors (see below), whose sum is σ = 1502765448552. Its totient is φ = 1001843632360.

The previous prime is 1252304540447. The next prime is 1252304540489. The reversal of 1252304540455 is 5540454032521.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1252304540455 - 2³ = 1252304540447 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 125230454041 + ... + 125230454050.

It is an arithmetic number, because the mean of its divisors is an integer number (375691362138).

Almost surely, 2^{1252304540455} is an apocalyptic number.

1252304540455 is a deficient number, since it is larger than the sum of its proper divisors (250460908097).

1252304540455 is an equidigital number, since it uses as much as digits as its factorization.

1252304540455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250460908096.

The product of its (nonzero) digits is 480000, while the sum is 40.

Adding to 1252304540455 its reverse (5540454032521), we get a palindrome (6792758572976).

The spelling of 1252304540455 in words is "one trillion, two hundred fifty-two billion, three hundred four million, five hundred forty thousand, four hundred fifty-five".