1101028551 has 16 divisors (see below), whose sum is σ = 1678274304. Its totient is φ = 628965504.

The previous prime is 1101028547. The next prime is 1101028583. The reversal of 1101028551 is 1558201011.

It is not a de Polignac number, because 1101028551 - 2² = 1101028547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101028501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88831 + ... + 100463.

It is an arithmetic number, because the mean of its divisors is an integer number (104892144).

Almost surely, 2^1101028551 is an apocalyptic number.

1101028551 is a deficient number, since it is larger than the sum of its proper divisors (577245753).

1101028551 is a wasteful number, since it uses less digits than its factorization.

1101028551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16150.

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

The square root of 1101028551 is about 33181.7502702917. The cubic root of 1101028551 is about 1032.6017584829.

Adding to 1101028551 its reverse (1558201011), we get a palindrome (2659229562).

The spelling of 1101028551 in words is "one billion, one hundred one million, twenty-eight thousand, five hundred fifty-one".