1101056061 has 16 divisors (see below), whose sum is σ = 1766105600. Its totient is φ = 596060208.

The previous prime is 1101056059. The next prime is 1101056083. The reversal of 1101056061 is 1606501011.

It is not a de Polignac number, because 1101056061 - 2¹ = 1101056059 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101052061) 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, 1379371 + ... + 1380168.

It is an arithmetic number, because the mean of its divisors is an integer number (110381600).

Almost surely, 2^1101056061 is an apocalyptic number.

It is an amenable number.

1101056061 is a deficient number, since it is larger than the sum of its proper divisors (665049539).

1101056061 is a wasteful number, since it uses less digits than its factorization.

1101056061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2759568.

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 1101056061 is about 33182.1648027973. The cubic root of 1101056061 is about 1032.6103585135.

Adding to 1101056061 its reverse (1606501011), we get a palindrome (2707557072).

The spelling of 1101056061 in words is "one billion, one hundred one million, fifty-six thousand, sixty-one".