4011055551 has 16 divisors (see below), whose sum is σ = 5965989120. Its totient is φ = 2663379000.

The previous prime is 4011055541. The next prime is 4011055579. The reversal of 4011055551 is 1555501104.

4011055551 is a `hidden beast` number, since 4 + 0 + 1 + 105 + 5 + 551 = 666.

It is not a de Polignac number, because 4011055551 - 2⁹ = 4011055039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4011055541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289155 + ... + 302708.

It is an arithmetic number, because the mean of its divisors is an integer number (372874320).

Almost surely, 2^4011055551 is an apocalyptic number.

4011055551 is a deficient number, since it is larger than the sum of its proper divisors (1954933569).

4011055551 is a wasteful number, since it uses less digits than its factorization.

4011055551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592123 (or 592117 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 27.

The square root of 4011055551 is about 63332.8946993582. The cubic root of 4011055551 is about 1588.8621727765.

Adding to 4011055551 its reverse (1555501104), we get a palindrome (5566556655).

The spelling of 4011055551 in words is "four billion, eleven million, fifty-five thousand, five hundred fifty-one".