11212554655 has 32 divisors (see below), whose sum is σ = 14226347520. Its totient is φ = 8474444160.

The previous prime is 11212554653. The next prime is 11212554667. The reversal of 11212554655 is 55645521211.

It is not a de Polignac number, because 11212554655 - 2¹ = 11212554653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212554653) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 802116 + ... + 815974.

It is an arithmetic number, because the mean of its divisors is an integer number (444573360).

Almost surely, 2^11212554655 is an apocalyptic number.

11212554655 is a deficient number, since it is larger than the sum of its proper divisors (3013792865).

11212554655 is a wasteful number, since it uses less digits than its factorization.

11212554655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14031.

The product of its digits is 60000, while the sum is 37.

The spelling of 11212554655 in words is "eleven billion, two hundred twelve million, five hundred fifty-four thousand, six hundred fifty-five".