11231341487 has 2 divisors, whose sum is σ = 11231341488. Its totient is φ = 11231341486.

The previous prime is 11231341409. The next prime is 11231341493. The reversal of 11231341487 is 78414313211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11231341487 is a prime.

It is a super-2 number, since 2×11231341487² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11231341687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5615670743 + 5615670744.

It is an arithmetic number, because the mean of its divisors is an integer number (5615670744).

Almost surely, 2^11231341487 is an apocalyptic number.

11231341487 is a deficient number, since it is larger than the sum of its proper divisors (1).

11231341487 is an equidigital number, since it uses as much as digits as its factorization.

11231341487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 35.

Adding to 11231341487 its reverse (78414313211), we get a palindrome (89645654698).

The spelling of 11231341487 in words is "eleven billion, two hundred thirty-one million, three hundred forty-one thousand, four hundred eighty-seven".