1121161050562 has 128 divisors (see below), whose sum is σ = 2030047100928. Its totient is φ = 454365849600.

The previous prime is 1121161050553. The next prime is 1121161050571. The reversal of 1121161050562 is 2650501611211.

It is an interprime number because it is at equal distance from previous prime (1121161050553) and next prime (1121161050571).

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 1450402008 + ... + 1450402780.

It is an arithmetic number, because the mean of its divisors is an integer number (15859742976).

Almost surely, 2^{1121161050562} is an apocalyptic number.

1121161050562 is a deficient number, since it is larger than the sum of its proper divisors (908886050366).

1121161050562 is a wasteful number, since it uses less digits than its factorization.

1121161050562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304.

The product of its (nonzero) digits is 3600, while the sum is 31.

Adding to 1121161050562 its reverse (2650501611211), we get a palindrome (3771662661773).

The spelling of 1121161050562 in words is "one trillion, one hundred twenty-one billion, one hundred sixty-one million, fifty thousand, five hundred sixty-two".