111010345640 has 16 divisors (see below), whose sum is σ = 249773277780. Its totient is φ = 44404138240.

The previous prime is 111010345603. The next prime is 111010345643. The reversal of 111010345640 is 46543010111.

It can be written as a sum of positive squares in 2 ways, for example, as 102388480324 + 8621865316 = 319982^2 + 92854^2 .

It is a super-2 number, since 2×111010345640² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111010345643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1387629281 + ... + 1387629360.

Almost surely, 2^111010345640 is an apocalyptic number.

111010345640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111010345640 is an abundant number, since it is smaller than the sum of its proper divisors (138762932140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111010345640 is a wasteful number, since it uses less digits than its factorization.

111010345640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2775258652 (or 2775258648 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 111010345640 its reverse (46543010111), we get a palindrome (157553355751).

The spelling of 111010345640 in words is "one hundred eleven billion, ten million, three hundred forty-five thousand, six hundred forty".