1162421211057 has 16 divisors (see below), whose sum is σ = 1558214599680. Its totient is φ = 770788716800.

The previous prime is 1162421211013. The next prime is 1162421211059. The reversal of 1162421211057 is 7501121242611.

It is a cyclic number.

It is not a de Polignac number, because 1162421211057 - 2¹⁶ = 1162421145521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1162421211059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4356457 + ... + 4615577.

It is an arithmetic number, because the mean of its divisors is an integer number (97388412480).

Almost surely, 2^{1162421211057} is an apocalyptic number.

It is an amenable number.

1162421211057 is a deficient number, since it is larger than the sum of its proper divisors (395793388623).

1162421211057 is a wasteful number, since it uses less digits than its factorization.

1162421211057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267144.

The product of its (nonzero) digits is 6720, while the sum is 33.

Adding to 1162421211057 its reverse (7501121242611), we get a palindrome (8663542453668).

The spelling of 1162421211057 in words is "one trillion, one hundred sixty-two billion, four hundred twenty-one million, two hundred eleven thousand, fifty-seven".