1011225244545 has 64 divisors (see below), whose sum is σ = 1837238538240. Its totient is φ = 527484394944.

The previous prime is 1011225244531. The next prime is 1011225244571. The reversal of 1011225244545 is 5454425221101.

1011225244545 is a `hidden beast` number, since 1 + 0 + 1 + 1 + 22 + 52 + 44 + 545 = 666.

It is not a de Polignac number, because 1011225244545 - 2⁷ = 1011225244417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9355902 + ... + 9463368.

It is an arithmetic number, because the mean of its divisors is an integer number (28706852160).

Almost surely, 2^{1011225244545} is an apocalyptic number.

1011225244545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1011225244545 is a deficient number, since it is larger than the sum of its proper divisors (826013293695).

1011225244545 is a wasteful number, since it uses less digits than its factorization.

1011225244545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109011 (or 109005 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 36.

The spelling of 1011225244545 in words is "one trillion, eleven billion, two hundred twenty-five million, two hundred forty-four thousand, five hundred forty-five".