254545660551 has 96 divisors (see below), whose sum is σ = 453223142400. Its totient is φ = 125587687680.

The previous prime is 254545660547. The next prime is 254545660583. The reversal of 254545660551 is 155066545452.

It is not a de Polignac number, because 254545660551 - 2² = 254545660547 is a prime.

It is a super-4 number, since 4×254545660551⁴ (a number of 47 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 254545660551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254545620551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2824041 + ... + 2912781.

It is an arithmetic number, because the mean of its divisors is an integer number (4721074400).

Almost surely, 2^254545660551 is an apocalyptic number.

254545660551 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

254545660551 is a deficient number, since it is larger than the sum of its proper divisors (198677481849).

254545660551 is a wasteful number, since it uses less digits than its factorization.

254545660551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88869 (or 88862 counting only the distinct ones).

The product of its (nonzero) digits is 3600000, while the sum is 48.

The spelling of 254545660551 in words is "two hundred fifty-four billion, five hundred forty-five million, six hundred sixty thousand, five hundred fifty-one".