1162356406261 has 4 divisors (see below), whose sum is σ = 1166879194092. Its totient is φ = 1157833618432.

The previous prime is 1162356406247. The next prime is 1162356406313. The reversal of 1162356406261 is 1626046532611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1078586102500 + 83770303761 = 1038550^2 + 289431^2 .

It is a cyclic number.

It is not a de Polignac number, because 1162356406261 - 2¹³ = 1162356398069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1162356406231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2261393530 + ... + 2261394043.

It is an arithmetic number, because the mean of its divisors is an integer number (291719798523).

Almost surely, 2^{1162356406261} is an apocalyptic number.

It is an amenable number.

1162356406261 is a deficient number, since it is larger than the sum of its proper divisors (4522787831).

1162356406261 is an equidigital number, since it uses as much as digits as its factorization.

1162356406261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4522787830.

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 1162356406261 in words is "one trillion, one hundred sixty-two billion, three hundred fifty-six million, four hundred six thousand, two hundred sixty-one".