11555201662050 has 24 divisors (see below), whose sum is σ = 28656900122256. Its totient is φ = 3081387109840.

The previous prime is 11555201662031. The next prime is 11555201662061. The reversal of 11555201662050 is 5026610255511.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38517338724 + ... + 38517339023.

It is an arithmetic number, because the mean of its divisors is an integer number (1194037505094).

Almost surely, 2^{11555201662050} is an apocalyptic number.

11555201662050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11555201662050 is an abundant number, since it is smaller than the sum of its proper divisors (17101698460206).

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

11555201662050 is a wasteful number, since it uses less digits than its factorization.

11555201662050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77034677762 (or 77034677757 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 39.

The spelling of 11555201662050 in words is "eleven trillion, five hundred fifty-five billion, two hundred one million, six hundred sixty-two thousand, fifty".