254554557155 has 16 divisors (see below), whose sum is σ = 306489886560. Its totient is φ = 202961521152.

The previous prime is 254554557133. The next prime is 254554557247. The reversal of 254554557155 is 551755455452.

It is a Cunningham number, because it is equal to 504534²-1.

It is a cyclic number.

It is not a de Polignac number, because 254554557155 - 2⁶ = 254554557091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 254554557097 and 254554557106.

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, 2472212 + ... + 2573118.

It is an arithmetic number, because the mean of its divisors is an integer number (19155617910).

Almost surely, 2^254554557155 is an apocalyptic number.

254554557155 is a deficient number, since it is larger than the sum of its proper divisors (51935329405).

254554557155 is a wasteful number, since it uses less digits than its factorization.

254554557155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102598.

The product of its digits is 17500000, while the sum is 53.

The spelling of 254554557155 in words is "two hundred fifty-four billion, five hundred fifty-four million, five hundred fifty-seven thousand, one hundred fifty-five".