1150200685421 has 2 divisors, whose sum is σ = 1150200685422. Its totient is φ = 1150200685420.

The previous prime is 1150200685409. The next prime is 1150200685463. The reversal of 1150200685421 is 1245860020511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 962633737321 + 187566948100 = 981139^2 + 433090^2 .

It is a cyclic number.

It is not a de Polignac number, because 1150200685421 - 2⁶ = 1150200685357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1150200685121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575100342710 + 575100342711.

It is an arithmetic number, because the mean of its divisors is an integer number (575100342711).

Almost surely, 2^{1150200685421} is an apocalyptic number.

It is an amenable number.

1150200685421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1150200685421 is an equidigital number, since it uses as much as digits as its factorization.

1150200685421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19200, while the sum is 35.

The spelling of 1150200685421 in words is "one trillion, one hundred fifty billion, two hundred million, six hundred eighty-five thousand, four hundred twenty-one".