11341405251 has 24 divisors (see below), whose sum is σ = 17928817920. Its totient is φ = 6851458800.

The previous prime is 11341405249. The next prime is 11341405261. The reversal of 11341405251 is 15250414311.

11341405251 is a `hidden beast` number, since 1 + 1 + 3 + 4 + 1 + 405 + 251 = 666.

It is not a de Polignac number, because 11341405251 - 2¹ = 11341405249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11341405261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153391 + ... + 214968.

It is an arithmetic number, because the mean of its divisors is an integer number (747034080).

Almost surely, 2^11341405251 is an apocalyptic number.

11341405251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11341405251 is a deficient number, since it is larger than the sum of its proper divisors (6587412669).

11341405251 is a wasteful number, since it uses less digits than its factorization.

11341405251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368687 (or 368684 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 11341405251 its reverse (15250414311), we get a palindrome (26591819562).

The spelling of 11341405251 in words is "eleven billion, three hundred forty-one million, four hundred five thousand, two hundred fifty-one".