107185321215240 has 64 divisors (see below), whose sum is σ = 322451662838400. Its totient is φ = 28503134618112.

The previous prime is 107185321215199. The next prime is 107185321215299. The reversal of 107185321215240 is 42512123581701.

It is a super-2 number, since 2×107185321215240² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 107185321215192 and 107185321215201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1243983397 + ... + 1244069556.

It is an arithmetic number, because the mean of its divisors is an integer number (5038307231850).

Almost surely, 2^{107185321215240} is an apocalyptic number.

107185321215240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

107185321215240 is an abundant number, since it is smaller than the sum of its proper divisors (215266341623160).

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

107185321215240 is a wasteful number, since it uses less digits than its factorization.

107185321215240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2488053326 (or 2488053322 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 42.

Adding to 107185321215240 its reverse (42512123581701), we get a palindrome (149697444796941).

The spelling of 107185321215240 in words is "one hundred seven trillion, one hundred eighty-five billion, three hundred twenty-one million, two hundred fifteen thousand, two hundred forty".