2201231555415 has 40 divisors (see below), whose sum is σ = 4029866976960. Its totient is φ = 1149011638848.

The previous prime is 2201231555381. The next prime is 2201231555437. The reversal of 2201231555415 is 5145551321022.

2201231555415 is a `hidden beast` number, since 2 + 2 + 0 + 1 + 231 + 5 + 5 + 5 + 415 = 666.

It is not a de Polignac number, because 2201231555415 - 2⁷ = 2201231555287 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2201231555415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 57801600 + ... + 57839669.

It is an arithmetic number, because the mean of its divisors is an integer number (100746674424).

Almost surely, 2^{2201231555415} is an apocalyptic number.

2201231555415 is a deficient number, since it is larger than the sum of its proper divisors (1828635421545).

2201231555415 is a wasteful number, since it uses less digits than its factorization.

2201231555415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115641333 (or 115641324 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

Adding to 2201231555415 its reverse (5145551321022), we get a palindrome (7346782876437).

The spelling of 2201231555415 in words is "two trillion, two hundred one billion, two hundred thirty-one million, five hundred fifty-five thousand, four hundred fifteen".