355056587811 has 8 divisors (see below), whose sum is σ = 526009759760. Its totient is φ = 236704391856.

The previous prime is 355056587791. The next prime is 355056587813. The reversal of 355056587811 is 118785650553.

355056587811 is a `hidden beast` number, since 3 + 5 + 5 + 0 + 56 + 587 + 8 + 1 + 1 = 666.

It is not a de Polignac number, because 355056587811 - 2¹⁴ = 355056571427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (355056587813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6575121970 + ... + 6575122023.

It is an arithmetic number, because the mean of its divisors is an integer number (65751219970).

Almost surely, 2^355056587811 is an apocalyptic number.

355056587811 is a deficient number, since it is larger than the sum of its proper divisors (170953171949).

355056587811 is a wasteful number, since it uses less digits than its factorization.

355056587811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13150244002 (or 13150243996 counting only the distinct ones).

The product of its (nonzero) digits is 5040000, while the sum is 54.

The spelling of 355056587811 in words is "three hundred fifty-five billion, fifty-six million, five hundred eighty-seven thousand, eight hundred eleven".