1234452025555 has 16 divisors (see below), whose sum is σ = 1705886164224. Its totient is φ = 840019695840.

The previous prime is 1234452025523. The next prime is 1234452025559. The reversal of 1234452025555 is 5555202544321.

It is not a de Polignac number, because 1234452025555 - 2⁵ = 1234452025523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1234452025559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134613957 + ... + 134623126.

It is an arithmetic number, because the mean of its divisors is an integer number (106617885264).

Almost surely, 2^{1234452025555} is an apocalyptic number.

1234452025555 is a deficient number, since it is larger than the sum of its proper divisors (471434138669).

1234452025555 is a wasteful number, since it uses less digits than its factorization.

1234452025555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269237226.

The product of its (nonzero) digits is 1200000, while the sum is 43.

Adding to 1234452025555 its reverse (5555202544321), we get a palindrome (6789654569876).

The spelling of 1234452025555 in words is "one trillion, two hundred thirty-four billion, four hundred fifty-two million, twenty-five thousand, five hundred fifty-five".