11552205450515 has 24 divisors (see below), whose sum is σ = 14700000305808. Its totient is φ = 8713860845760.

The previous prime is 11552205450493. The next prime is 11552205450587. The reversal of 11552205450515 is 51505450225511.

It is not a de Polignac number, because 11552205450515 - 2⁸ = 11552205450259 is a prime.

It is a super-2 number, since 2×11552205450515² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14785292 + ... + 15547001.

It is an arithmetic number, because the mean of its divisors is an integer number (612500012742).

Almost surely, 2^{11552205450515} is an apocalyptic number.

11552205450515 is a deficient number, since it is larger than the sum of its proper divisors (3147794855293).

11552205450515 is a wasteful number, since it uses less digits than its factorization.

11552205450515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30332547 (or 30332528 counting only the distinct ones).

The product of its (nonzero) digits is 250000, while the sum is 41.

The spelling of 11552205450515 in words is "eleven trillion, five hundred fifty-two billion, two hundred five million, four hundred fifty thousand, five hundred fifteen".