11312021200057 has 2 divisors, whose sum is σ = 11312021200058. Its totient is φ = 11312021200056.

The previous prime is 11312021200027. The next prime is 11312021200087. The reversal of 11312021200057 is 75000212021311.

It is a balanced prime because it is at equal distance from previous prime (11312021200027) and next prime (11312021200087).

It can be written as a sum of positive squares in only one way, i.e., 8139814417296 + 3172206782761 = 2853036^2 + 1781069^2 .

It is a cyclic number.

It is not a de Polignac number, because 11312021200057 - 2¹⁵ = 11312021167289 is a prime.

It is not a weakly prime, because it can be changed into another prime (11312021200027) 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 as a sum of consecutive naturals, namely, 5656010600028 + 5656010600029.

It is an arithmetic number, because the mean of its divisors is an integer number (5656010600029).

Almost surely, 2^{11312021200057} is an apocalyptic number.

It is an amenable number.

11312021200057 is a deficient number, since it is larger than the sum of its proper divisors (1).

11312021200057 is an equidigital number, since it uses as much as digits as its factorization.

11312021200057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 25.

Adding to 11312021200057 its reverse (75000212021311), we get a palindrome (86312233221368).

The spelling of 11312021200057 in words is "eleven trillion, three hundred twelve billion, twenty-one million, two hundred thousand, fifty-seven".