254052365551 has 4 divisors (see below), whose sum is σ = 255115346400. Its totient is φ = 252989384704.

The previous prime is 254052365533. The next prime is 254052365557. The reversal of 254052365551 is 155563250452.

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

It is a cyclic number.

It is not a de Polignac number, because 254052365551 - 2⁷ = 254052365423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 254052365498 and 254052365507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254052365557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 531490066 + ... + 531490543.

It is an arithmetic number, because the mean of its divisors is an integer number (63778836600).

Almost surely, 2^254052365551 is an apocalyptic number.

254052365551 is a deficient number, since it is larger than the sum of its proper divisors (1062980849).

254052365551 is a wasteful number, since it uses less digits than its factorization.

254052365551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062980848.

The product of its (nonzero) digits is 900000, while the sum is 43.

The spelling of 254052365551 in words is "two hundred fifty-four billion, fifty-two million, three hundred sixty-five thousand, five hundred fifty-one".