111403362487 has 2 divisors, whose sum is σ = 111403362488. Its totient is φ = 111403362486.

The previous prime is 111403362479. The next prime is 111403362509. The reversal of 111403362487 is 784263304111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111403362487 - 2³ = 111403362479 is a prime.

It is a super-4 number, since 4×111403362487⁴ (a number of 45 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111403362437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55701681243 + 55701681244.

It is an arithmetic number, because the mean of its divisors is an integer number (55701681244).

Almost surely, 2^111403362487 is an apocalyptic number.

111403362487 is a deficient number, since it is larger than the sum of its proper divisors (1).

111403362487 is an equidigital number, since it uses as much as digits as its factorization.

111403362487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 40.

Adding to 111403362487 its reverse (784263304111), we get a palindrome (895666666598).

The spelling of 111403362487 in words is "one hundred eleven billion, four hundred three million, three hundred sixty-two thousand, four hundred eighty-seven".