1225036820011 has 8 divisors (see below), whose sum is σ = 1229980795184. Its totient is φ = 1220102183520.

The previous prime is 1225036819891. The next prime is 1225036820027. The reversal of 1225036820011 is 1100286305221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1225036820011 - 2²⁷ = 1224902602283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1225036823011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2071725 + ... + 2596558.

It is an arithmetic number, because the mean of its divisors is an integer number (153747599398).

Almost surely, 2^{1225036820011} is an apocalyptic number.

1225036820011 is a deficient number, since it is larger than the sum of its proper divisors (4943975173).

1225036820011 is an equidigital number, since it uses as much as digits as its factorization.

1225036820011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4669341.

The product of its (nonzero) digits is 5760, while the sum is 31.

The spelling of 1225036820011 in words is "one trillion, two hundred twenty-five billion, thirty-six million, eight hundred twenty thousand, eleven".