1121126464551 has 16 divisors (see below), whose sum is σ = 1579779815040. Its totient is φ = 705258828000.

The previous prime is 1121126464517. The next prime is 1121126464603. The reversal of 1121126464551 is 1554646211211.

It is a happy number.

It is not a de Polignac number, because 1121126464551 - 2⁶ = 1121126464487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121126464151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39166740 + ... + 39195353.

It is an arithmetic number, because the mean of its divisors is an integer number (98736238440).

Almost surely, 2^{1121126464551} is an apocalyptic number.

1121126464551 is a deficient number, since it is larger than the sum of its proper divisors (458653350489).

1121126464551 is a wasteful number, since it uses less digits than its factorization.

1121126464551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78362366.

The product of its digits is 57600, while the sum is 39.

The spelling of 1121126464551 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-six million, four hundred sixty-four thousand, five hundred fifty-one".