1011225243044 has 12 divisors (see below), whose sum is σ = 1771272190464. Its totient is φ = 505147474344.

The previous prime is 1011225243011. The next prime is 1011225243071. The reversal of 1011225243044 is 4403425221101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1011225242998 and 1011225243016.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116281904 + ... + 116290599.

It is an arithmetic number, because the mean of its divisors is an integer number (147606015872).

Almost surely, 2^{1011225243044} is an apocalyptic number.

It is an amenable number.

1011225243044 is a deficient number, since it is larger than the sum of its proper divisors (760046947420).

1011225243044 is a wasteful number, since it uses less digits than its factorization.

1011225243044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232573594 (or 232573592 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The spelling of 1011225243044 in words is "one trillion, eleven billion, two hundred twenty-five million, two hundred forty-three thousand, forty-four".