1011055011001 has 8 divisors (see below), whose sum is σ = 1156735249920. Its totient is φ = 865685724288.

The previous prime is 1011055010957. The next prime is 1011055011017. The reversal of 1011055011001 is 1001105501101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1011055011001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011055011061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77731081 + ... + 77744086.

It is an arithmetic number, because the mean of its divisors is an integer number (144591906240).

Almost surely, 2^{1011055011001} is an apocalyptic number.

It is an amenable number.

1011055011001 is a deficient number, since it is larger than the sum of its proper divisors (145680238919).

1011055011001 is an equidigital number, since it uses as much as digits as its factorization.

1011055011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155476103.

The product of its (nonzero) digits is 25, while the sum is 16.

It can be divided in two parts, 101105501100 and 1, that added together give a palindrome (101105501101).

The spelling of 1011055011001 in words is "one trillion, eleven billion, fifty-five million, eleven thousand, one".