11534402251 has 2 divisors, whose sum is σ = 11534402252. Its totient is φ = 11534402250.

The previous prime is 11534402213. The next prime is 11534402279. The reversal of 11534402251 is 15220443511.

It is an a-pointer prime, because the next prime (11534402279) can be obtained adding 11534402251 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11534402251 - 2⁷ = 11534402123 is a prime.

It is not a weakly prime, because it can be changed into another prime (11534402951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5767201125 + 5767201126.

It is an arithmetic number, because the mean of its divisors is an integer number (5767201126).

Almost surely, 2^11534402251 is an apocalyptic number.

11534402251 is a deficient number, since it is larger than the sum of its proper divisors (1).

11534402251 is an equidigital number, since it uses as much as digits as its factorization.

11534402251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 11534402251 its reverse (15220443511), we get a palindrome (26754845762).

The spelling of 11534402251 in words is "eleven billion, five hundred thirty-four million, four hundred two thousand, two hundred fifty-one".