2355802778001 has 4 divisors (see below), whose sum is σ = 3141070370672. Its totient is φ = 1570535185332.

The previous prime is 2355802777961. The next prime is 2355802778033. The reversal of 2355802778001 is 1008772085532.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2355802778001 - 2¹⁹ = 2355802253713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2355802778071) 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, 392633796331 + ... + 392633796336.

It is an arithmetic number, because the mean of its divisors is an integer number (785267592668).

Almost surely, 2^{2355802778001} is an apocalyptic number.

It is an amenable number.

2355802778001 is a deficient number, since it is larger than the sum of its proper divisors (785267592671).

2355802778001 is an equidigital number, since it uses as much as digits as its factorization.

2355802778001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785267592670.

The product of its (nonzero) digits is 940800, while the sum is 48.

The spelling of 2355802778001 in words is "two trillion, three hundred fifty-five billion, eight hundred two million, seven hundred seventy-eight thousand, one".