111020959377 has 12 divisors (see below), whose sum is σ = 160369973764. Its totient is φ = 74011034880.

The previous prime is 111020959369. The next prime is 111020959393. The reversal of 111020959377 is 773959020111.

It is a happy number.

111020959377 is a `hidden beast` number, since 11 + 10 + 209 + 59 + 377 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 51967585296 + 59053374081 = 227964^2 + 243009^2 .

It is not a de Polignac number, because 111020959377 - 2³ = 111020959369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111020959327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8253 + ... + 471285.

Almost surely, 2^111020959377 is an apocalyptic number.

It is an amenable number.

111020959377 is a deficient number, since it is larger than the sum of its proper divisors (49349014387).

111020959377 is a wasteful number, since it uses less digits than its factorization.

111020959377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489680 (or 489677 counting only the distinct ones).

The product of its (nonzero) digits is 119070, while the sum is 45.

Adding to 111020959377 its reverse (773959020111), we get a palindrome (884979979488).

The spelling of 111020959377 in words is "one hundred eleven billion, twenty million, nine hundred fifty-nine thousand, three hundred seventy-seven".