113897587280 has 40 divisors (see below), whose sum is σ = 264878821224. Its totient is φ = 45547520000.

The previous prime is 113897587259. The next prime is 113897587301. The reversal of 113897587280 is 82785798311.

It is an interprime number because it is at equal distance from previous prime (113897587259) and next prime (113897587301).

It can be written as a sum of positive squares in 4 ways, for example, as 15718138384 + 98179448896 = 125372^2 + 313336^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×113897587280³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142160 + ... + 498000.

Almost surely, 2^113897587280 is an apocalyptic number.

113897587280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113897587280 is an abundant number, since it is smaller than the sum of its proper divisors (150981233944).

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

113897587280 is a wasteful number, since it uses less digits than its factorization.

113897587280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359855 (or 359849 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 59.

The spelling of 113897587280 in words is "one hundred thirteen billion, eight hundred ninety-seven million, five hundred eighty-seven thousand, two hundred eighty".