1101050055501 has 16 divisors (see below), whose sum is σ = 1601570337600. Its totient is φ = 667285153920.

The previous prime is 1101050055467. The next prime is 1101050055509. The reversal of 1101050055501 is 1055500501011.

It is not a de Polignac number, because 1101050055501 - 2⁶ = 1101050055437 is a prime.

It is a super-2 number, since 2×1101050055501² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101050055509) 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, 857175 + ... + 1713723.

It is an arithmetic number, because the mean of its divisors is an integer number (100098146100).

Almost surely, 2^{1101050055501} is an apocalyptic number.

1101050055501 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1101050055501 is a deficient number, since it is larger than the sum of its proper divisors (500520282099).

1101050055501 is a wasteful number, since it uses less digits than its factorization.

1101050055501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895516.

The product of its (nonzero) digits is 625, while the sum is 24.

Adding to 1101050055501 its reverse (1055500501011), we get a palindrome (2156550556512).

The spelling of 1101050055501 in words is "one trillion, one hundred one billion, fifty million, fifty-five thousand, five hundred one".