11504051551 has 2 divisors, whose sum is σ = 11504051552. Its totient is φ = 11504051550.

The previous prime is 11504051501. The next prime is 11504051567. The reversal of 11504051551 is 15515040511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11504051551 - 2¹⁹ = 11503527263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11504051501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5752025775 + 5752025776.

It is an arithmetic number, because the mean of its divisors is an integer number (5752025776).

Almost surely, 2^11504051551 is an apocalyptic number.

11504051551 is a deficient number, since it is larger than the sum of its proper divisors (1).

11504051551 is an equidigital number, since it uses as much as digits as its factorization.

11504051551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2500, while the sum is 28.

The spelling of 11504051551 in words is "eleven billion, five hundred four million, fifty-one thousand, five hundred fifty-one".