1101011055550 has 24 divisors (see below), whose sum is σ = 2340434930256. Its totient is φ = 377489504640.

The previous prime is 1101011055511. The next prime is 1101011055559. The reversal of 1101011055550 is 555501101011.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101011055559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1572872587 + ... + 1572873286.

It is an arithmetic number, because the mean of its divisors is an integer number (97518122094).

Almost surely, 2^{1101011055550} is an apocalyptic number.

1101011055550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1101011055550 is an abundant number, since it is smaller than the sum of its proper divisors (1239423874706).

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

1101011055550 is a wasteful number, since it uses less digits than its factorization.

1101011055550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3145745892 (or 3145745887 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 25.

Adding to 1101011055550 its reverse (555501101011), we get a palindrome (1656512156561).

The spelling of 1101011055550 in words is "one trillion, one hundred one billion, eleven million, fifty-five thousand, five hundred fifty".