11021425653561 has 16 divisors (see below), whose sum is σ = 14826361966080. Its totient is φ = 7282062708480.

The previous prime is 11021425653559. The next prime is 11021425653571. The reversal of 11021425653561 is 16535652412011.

It is not a de Polignac number, because 11021425653561 - 2¹ = 11021425653559 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11021425653551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3495576 + ... + 5853366.

It is an arithmetic number, because the mean of its divisors is an integer number (926647622880).

Almost surely, 2^{11021425653561} is an apocalyptic number.

It is an amenable number.

11021425653561 is a deficient number, since it is larger than the sum of its proper divisors (3804936312519).

11021425653561 is a wasteful number, since it uses less digits than its factorization.

11021425653561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2371696.

The product of its (nonzero) digits is 216000, while the sum is 42.

The spelling of 11021425653561 in words is "eleven trillion, twenty-one billion, four hundred twenty-five million, six hundred fifty-three thousand, five hundred sixty-one".