111630745487 has 2 divisors, whose sum is σ = 111630745488. Its totient is φ = 111630745486.

The previous prime is 111630745483. The next prime is 111630745519. The reversal of 111630745487 is 784547036111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111630745487 - 2² = 111630745483 is a prime.

It is a super-3 number, since 3×111630745487³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111630745483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55815372743 + 55815372744.

It is an arithmetic number, because the mean of its divisors is an integer number (55815372744).

Almost surely, 2^111630745487 is an apocalyptic number.

111630745487 is a deficient number, since it is larger than the sum of its proper divisors (1).

111630745487 is an equidigital number, since it uses as much as digits as its factorization.

111630745487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 564480, while the sum is 47.

The spelling of 111630745487 in words is "one hundred eleven billion, six hundred thirty million, seven hundred forty-five thousand, four hundred eighty-seven".