111935077489 has 9 divisors (see below), whose sum is σ = 112705469451. Its totient is φ = 111169922760.

The previous prime is 111935077483. The next prime is 111935077493. The reversal of 111935077489 is 984770539111.

The square root of 111935077489 is 334567.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 32809888225 + 79125189264 = 181135^2 + 281292^2 .

It is not a de Polignac number, because 111935077489 - 2³¹ = 109787593841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111935077483) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 52525954 + ... + 52528084.

It is an arithmetic number, because the mean of its divisors is an integer number (12522829939).

Almost surely, 2^111935077489 is an apocalyptic number.

111935077489 is the 334567-th square number.

111935077489 is the 167284-th centered octagonal number.

It is an amenable number.

111935077489 is a deficient number, since it is larger than the sum of its proper divisors (770391962).

111935077489 is an frugal number, since it uses more digits than its factorization.

111935077489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4576 (or 2288 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 55.

The spelling of 111935077489 in words is "one hundred eleven billion, nine hundred thirty-five million, seventy-seven thousand, four hundred eighty-nine".