11534340254 has 4 divisors (see below), whose sum is σ = 17301510384. Its totient is φ = 5767170126.

The previous prime is 11534340247. The next prime is 11534340263. The reversal of 11534340254 is 45204343511.

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

It is a self number, because there is not a number n which added to its sum of digits gives 11534340254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2883585062 + ... + 2883585065.

It is an arithmetic number, because the mean of its divisors is an integer number (4325377596).

Almost surely, 2^11534340254 is an apocalyptic number.

11534340254 is a deficient number, since it is larger than the sum of its proper divisors (5767170130).

11534340254 is an equidigital number, since it uses as much as digits as its factorization.

11534340254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5767170129.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 11534340254 its reverse (45204343511), we get a palindrome (56738683765).

The spelling of 11534340254 in words is "eleven billion, five hundred thirty-four million, three hundred forty thousand, two hundred fifty-four".