11552205400263 has 48 divisors (see below), whose sum is σ = 19249153073920. Its totient is φ = 6838514741520.

The previous prime is 11552205400259. The next prime is 11552205400271. The reversal of 11552205400263 is 36200450225511.

11552205400263 is a `hidden beast` number, since 1 + 1 + 5 + 5 + 220 + 5 + 400 + 26 + 3 = 666.

It is not a de Polignac number, because 11552205400263 - 2² = 11552205400259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11552205400273) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40976131 + ... + 41257092.

Almost surely, 2^{11552205400263} is an apocalyptic number.

11552205400263 is a deficient number, since it is larger than the sum of its proper divisors (7696947673657).

11552205400263 is a wasteful number, since it uses less digits than its factorization.

11552205400263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82233297 (or 82233280 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 11552205400263 its reverse (36200450225511), we get a palindrome (47752655625774).

The spelling of 11552205400263 in words is "eleven trillion, five hundred fifty-two billion, two hundred five million, four hundred thousand, two hundred sixty-three".