11351691539 has 2 divisors, whose sum is σ = 11351691540. Its totient is φ = 11351691538.

The previous prime is 11351691521. The next prime is 11351691557. The reversal of 11351691539 is 93519615311.

It is a balanced prime because it is at equal distance from previous prime (11351691521) and next prime (11351691557).

It is a cyclic number.

It is not a de Polignac number, because 11351691539 - 2²⁴ = 11334914323 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11351691539.

It is not a weakly prime, because it can be changed into another prime (11351691139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5675845769 + 5675845770.

It is an arithmetic number, because the mean of its divisors is an integer number (5675845770).

Almost surely, 2^11351691539 is an apocalyptic number.

11351691539 is a deficient number, since it is larger than the sum of its proper divisors (1).

11351691539 is an equidigital number, since it uses as much as digits as its factorization.

11351691539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 109350, while the sum is 44.

The spelling of 11351691539 in words is "eleven billion, three hundred fifty-one million, six hundred ninety-one thousand, five hundred thirty-nine".