11415954556 has 24 divisors (see below), whose sum is σ = 20800699920. Its totient is φ = 5477462400.

The previous prime is 11415954551. The next prime is 11415954577. The reversal of 11415954556 is 65545951411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11415954551) 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, 560566 + ... + 580573.

It is an arithmetic number, because the mean of its divisors is an integer number (866695830).

Almost surely, 2^11415954556 is an apocalyptic number.

It is an amenable number.

11415954556 is a deficient number, since it is larger than the sum of its proper divisors (9384745364).

11415954556 is a wasteful number, since it uses less digits than its factorization.

11415954556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141245 (or 1141243 counting only the distinct ones).

The product of its digits is 540000, while the sum is 46.

The spelling of 11415954556 in words is "eleven billion, four hundred fifteen million, nine hundred fifty-four thousand, five hundred fifty-six".