11555576214 has 48 divisors (see below), whose sum is σ = 28952442288. Its totient is φ = 3047623488.

The previous prime is 11555576171. The next prime is 11555576239. The reversal of 11555576214 is 41267555511.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1507897 + ... + 1515540.

It is an arithmetic number, because the mean of its divisors is an integer number (603175881).

Almost surely, 2^11555576214 is an apocalyptic number.

11555576214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11555576214 is an abundant number, since it is smaller than the sum of its proper divisors (17396866074).

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

11555576214 is a wasteful number, since it uses less digits than its factorization.

11555576214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3023469 (or 3023462 counting only the distinct ones).

The product of its digits is 210000, while the sum is 42.

The spelling of 11555576214 in words is "eleven billion, five hundred fifty-five million, five hundred seventy-six thousand, two hundred fourteen".