1105211532551 has 96 divisors (see below), whose sum is σ = 1421489664000. Its totient is φ = 857803141440.

The previous prime is 1105211532493. The next prime is 1105211532553. The reversal of 1105211532551 is 1552351125011.

It is a de Polignac number, because none of the positive numbers 2^k-1105211532551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105211532553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 318594845 + ... + 318598313.

It is an arithmetic number, because the mean of its divisors is an integer number (14807184000).

Almost surely, 2^{1105211532551} is an apocalyptic number.

1105211532551 is a deficient number, since it is larger than the sum of its proper divisors (316278131449).

1105211532551 is an equidigital number, since it uses as much as digits as its factorization.

1105211532551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3642 (or 3609 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 32.

Adding to 1105211532551 its reverse (1552351125011), we get a palindrome (2657562657562).

The spelling of 1105211532551 in words is "one trillion, one hundred five billion, two hundred eleven million, five hundred thirty-two thousand, five hundred fifty-one".