1234455554055 has 16 divisors (see below), whose sum is σ = 2038842722304. Its totient is φ = 637138350240.

The previous prime is 1234455554039. The next prime is 1234455554077. The reversal of 1234455554055 is 5504555544321.

It is not a de Polignac number, because 1234455554055 - 2⁴ = 1234455554039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1234455553995 and 1234455554013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1327371099 + ... + 1327372028.

It is an arithmetic number, because the mean of its divisors is an integer number (127427670144).

Almost surely, 2^{1234455554055} is an apocalyptic number.

1234455554055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1234455554055 is a deficient number, since it is larger than the sum of its proper divisors (804387168249).

1234455554055 is a wasteful number, since it uses less digits than its factorization.

1234455554055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2654743166.

The product of its (nonzero) digits is 6000000, while the sum is 48.

The spelling of 1234455554055 in words is "one trillion, two hundred thirty-four billion, four hundred fifty-five million, five hundred fifty-four thousand, fifty-five".