355799997553 has 128 divisors (see below), whose sum is σ = 513099546624. Its totient is φ = 237714048000.

The previous prime is 355799997551. The next prime is 355799997563.

355799997553 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 355799997553 - 2¹ = 355799997551 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 355799997553.

It is not an unprimeable number, because it can be changed into a prime (355799997551) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 123240676 + ... + 123243562.

It is an arithmetic number, because the mean of its divisors is an integer number (4008590208).

Almost surely, 2^355799997553 is an apocalyptic number.

It is an amenable number.

355799997553 is a deficient number, since it is larger than the sum of its proper divisors (157299549071).

355799997553 is a wasteful number, since it uses less digits than its factorization.

355799997553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3095.

The product of its digits is 1808375625, while the sum is 76.

The spelling of 355799997553 in words is "three hundred fifty-five billion, seven hundred ninety-nine million, nine hundred ninety-seven thousand, five hundred fifty-three".