11351521087 has 2 divisors, whose sum is σ = 11351521088. Its totient is φ = 11351521086.

The previous prime is 11351521037. The next prime is 11351521121. The reversal of 11351521087 is 78012515311.

It is an a-pointer prime, because the next prime (11351521121) can be obtained adding 11351521087 to its sum of digits (34).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11351521087 - 2¹⁹ = 11350996799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11351521037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5675760543 + 5675760544.

It is an arithmetic number, because the mean of its divisors is an integer number (5675760544).

Almost surely, 2^11351521087 is an apocalyptic number.

11351521087 is a deficient number, since it is larger than the sum of its proper divisors (1).

11351521087 is an equidigital number, since it uses as much as digits as its factorization.

11351521087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 34.

The spelling of 11351521087 in words is "eleven billion, three hundred fifty-one million, five hundred twenty-one thousand, eighty-seven".