111560461320 has 256 divisors, whose sum is σ = 435407892480. Its totient is φ = 22173465600.

The previous prime is 111560461273. The next prime is 111560461367. The reversal of 111560461320 is 23164065111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (111560461273) and next prime (111560461367).

It is a super-2 number, since 2×111560461320² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 49951 + ... + 474990.

It is an arithmetic number, because the mean of its divisors is an integer number (1700812080).

Almost surely, 2^111560461320 is an apocalyptic number.

111560461320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111560461320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217703946240).

111560461320 is an abundant number, since it is smaller than the sum of its proper divisors (323847431160).

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

111560461320 is a wasteful number, since it uses less digits than its factorization.

111560461320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524996 (or 524992 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 111560461320 in words is "one hundred eleven billion, five hundred sixty million, four hundred sixty-one thousand, three hundred twenty".