252778050555 has 8 divisors (see below), whose sum is σ = 404444880912. Its totient is φ = 134814960288.

The previous prime is 252778050457. The next prime is 252778050563. The reversal of 252778050555 is 555050877252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 252778050555 - 2¹⁷ = 252777919483 is a prime.

It is a super-2 number, since 2×252778050555² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 252778050498 and 252778050507.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8425935004 + ... + 8425935033.

It is an arithmetic number, because the mean of its divisors is an integer number (50555610114).

Almost surely, 2^252778050555 is an apocalyptic number.

252778050555 is a deficient number, since it is larger than the sum of its proper divisors (151666830357).

252778050555 is a wasteful number, since it uses less digits than its factorization.

252778050555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16851870045.

The product of its (nonzero) digits is 4900000, while the sum is 51.

The spelling of 252778050555 in words is "two hundred fifty-two billion, seven hundred seventy-eight million, fifty thousand, five hundred fifty-five".