1101028550 has 24 divisors (see below), whose sum is σ = 2113977792. Its totient is φ = 426204000.

The previous prime is 1101028547. The next prime is 1101028583. The reversal of 1101028550 is 558201011.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 353621 + ... + 356720.

It is an arithmetic number, because the mean of its divisors is an integer number (88082408).

Almost surely, 2^1101028550 is an apocalyptic number.

1101028550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1101028550 is a deficient number, since it is larger than the sum of its proper divisors (1012949242).

1101028550 is a wasteful number, since it uses less digits than its factorization.

1101028550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710384 (or 710379 counting only the distinct ones).

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

The square root of 1101028550 is about 33181.7502552231. The cubic root of 1101028550 is about 1032.6017581703.

Adding to 1101028550 its reverse (558201011), we get a palindrome (1659229561).

The spelling of 1101028550 in words is "one billion, one hundred one million, twenty-eight thousand, five hundred fifty".