11212151154 has 16 divisors (see below), whose sum is σ = 22495045248. Its totient is φ = 3725593232.

The previous prime is 11212151131. The next prime is 11212151179. The reversal of 11212151154 is 45115121211.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2945562 + ... + 2949365.

It is an arithmetic number, because the mean of its divisors is an integer number (1405940328).

Almost surely, 2^11212151154 is an apocalyptic number.

11212151154 is an abundant number, since it is smaller than the sum of its proper divisors (11282894094).

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

11212151154 is a wasteful number, since it uses less digits than its factorization.

11212151154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5895249.

The product of its digits is 400, while the sum is 24.

Adding to 11212151154 its reverse (45115121211), we get a palindrome (56327272365).

The spelling of 11212151154 in words is "eleven billion, two hundred twelve million, one hundred fifty-one thousand, one hundred fifty-four".