11415011953 has 2 divisors, whose sum is σ = 11415011954. Its totient is φ = 11415011952.

The previous prime is 11415011939. The next prime is 11415011963. The reversal of 11415011953 is 35911051411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7134843024 + 4280168929 = 84468^2 + 65423^2 .

It is a cyclic number.

It is not a de Polignac number, because 11415011953 - 2¹⁷ = 11414880881 is a prime.

It is not a weakly prime, because it can be changed into another prime (11415011903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5707505976 + 5707505977.

It is an arithmetic number, because the mean of its divisors is an integer number (5707505977).

Almost surely, 2^11415011953 is an apocalyptic number.

It is an amenable number.

11415011953 is a deficient number, since it is larger than the sum of its proper divisors (1).

11415011953 is an equidigital number, since it uses as much as digits as its factorization.

11415011953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 31.

The spelling of 11415011953 in words is "eleven billion, four hundred fifteen million, eleven thousand, nine hundred fifty-three".