1121620334541 has 48 divisors (see below), whose sum is σ = 1783302912000. Its totient is φ = 625042801152.

The previous prime is 1121620334537. The next prime is 1121620334551. The reversal of 1121620334541 is 1454330261211.

It is not a de Polignac number, because 1121620334541 - 2² = 1121620334537 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121620334551) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 367860 + ... + 1542258.

It is an arithmetic number, because the mean of its divisors is an integer number (37152144000).

Almost surely, 2^{1121620334541} is an apocalyptic number.

It is an amenable number.

1121620334541 is a deficient number, since it is larger than the sum of its proper divisors (661682577459).

1121620334541 is a wasteful number, since it uses less digits than its factorization.

1121620334541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174578 (or 1174571 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

Adding to 1121620334541 its reverse (1454330261211), we get a palindrome (2575950595752).

The spelling of 1121620334541 in words is "one trillion, one hundred twenty-one billion, six hundred twenty million, three hundred thirty-four thousand, five hundred forty-one".