1100051011001 has 8 divisors (see below), whose sum is σ = 1102668388800. Its totient is φ = 1097434141200.

The previous prime is 1100051010997. The next prime is 1100051011049. The reversal of 1100051011001 is 1001101500011.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1100051011001 - 2² = 1100051010997 is a prime.

It is a super-2 number, since 2×1100051011001² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100051011201) 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, 4400510 + ... + 4643768.

It is an arithmetic number, because the mean of its divisors is an integer number (137833548600).

Almost surely, 2^{1100051011001} is an apocalyptic number.

It is an amenable number.

1100051011001 is a deficient number, since it is larger than the sum of its proper divisors (2617377799).

1100051011001 is a wasteful number, since it uses less digits than its factorization.

1100051011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253999.

The product of its (nonzero) digits is 5, while the sum is 11.

Adding to 1100051011001 its reverse (1001101500011), we get a palindrome (2101152511012).

The spelling of 1100051011001 in words is "one trillion, one hundred billion, fifty-one million, eleven thousand, one".