11131450052 has 6 divisors (see below), whose sum is σ = 19480037598. Its totient is φ = 5565725024.

The previous prime is 11131449997. The next prime is 11131450073. The reversal of 11131450052 is 25005413111.

It can be written as a sum of positive squares in only one way, i.e., 10792300996 + 339149056 = 103886^2 + 18416^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1391431253 + ... + 1391431260.

It is an arithmetic number, because the mean of its divisors is an integer number (3246672933).

Almost surely, 2^11131450052 is an apocalyptic number.

It is an amenable number.

11131450052 is a deficient number, since it is larger than the sum of its proper divisors (8348587546).

11131450052 is a wasteful number, since it uses less digits than its factorization.

11131450052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2782862517 (or 2782862515 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 11131450052 its reverse (25005413111), we get a palindrome (36136863163).

The spelling of 11131450052 in words is "eleven billion, one hundred thirty-one million, four hundred fifty thousand, fifty-two".