11415220104 has 32 divisors (see below), whose sum is σ = 28577027520. Its totient is φ = 3799876416.

The previous prime is 11415220093. The next prime is 11415220109. The reversal of 11415220104 is 40102251411.

It is not an unprimeable number, because it can be changed into a prime (11415220109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306852 + ... + 342035.

It is an arithmetic number, because the mean of its divisors is an integer number (893032110).

Almost surely, 2^11415220104 is an apocalyptic number.

It is an amenable number.

11415220104 is an abundant number, since it is smaller than the sum of its proper divisors (17161807416).

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

11415220104 is a wasteful number, since it uses less digits than its factorization.

11415220104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649629 (or 649625 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 11415220104 its reverse (40102251411), we get a palindrome (51517471515).

The spelling of 11415220104 in words is "eleven billion, four hundred fifteen million, two hundred twenty thousand, one hundred four".