233200534113551 has 4 divisors (see below), whose sum is σ = 233279026386504. Its totient is φ = 233122041840600.

The previous prime is 233200534113433. The next prime is 233200534113587. The reversal of 233200534113551 is 155311435002332.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-233200534113551 is a prime.

It is a super-2 number, since 2×233200534113551² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233200534113751) 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, 39246132020 + ... + 39246137961.

It is an arithmetic number, because the mean of its divisors is an integer number (58319756596626).

Almost surely, 2^{233200534113551} is an apocalyptic number.

233200534113551 is a deficient number, since it is larger than the sum of its proper divisors (78492272953).

233200534113551 is an equidigital number, since it uses as much as digits as its factorization.

233200534113551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78492272952.

The product of its (nonzero) digits is 162000, while the sum is 38.

Adding to 233200534113551 its reverse (155311435002332), we get a palindrome (388511969115883).

The spelling of 233200534113551 in words is "two hundred thirty-three trillion, two hundred billion, five hundred thirty-four million, one hundred thirteen thousand, five hundred fifty-one".