11151212054 has 8 divisors (see below), whose sum is σ = 16735200048. Its totient is φ = 5572812040.

The previous prime is 11151212047. The next prime is 11151212063. The reversal of 11151212054 is 45021215111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1392002 + ... + 1399989.

It is an arithmetic number, because the mean of its divisors is an integer number (2091900006).

Almost surely, 2^11151212054 is an apocalyptic number.

11151212054 is a deficient number, since it is larger than the sum of its proper divisors (5583987994).

11151212054 is a wasteful number, since it uses less digits than its factorization.

11151212054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2793990.

The product of its (nonzero) digits is 400, while the sum is 23.

Adding to 11151212054 its reverse (45021215111), we get a palindrome (56172427165).

The spelling of 11151212054 in words is "eleven billion, one hundred fifty-one million, two hundred twelve thousand, fifty-four".