1121126464550 has 24 divisors (see below), whose sum is σ = 2086204855296. Its totient is φ = 448254966240.

The previous prime is 1121126464517. The next prime is 1121126464603. The reversal of 1121126464550 is 554646211211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4774694 + ... + 5003993.

It is an arithmetic number, because the mean of its divisors is an integer number (86925202304).

Almost surely, 2^{1121126464550} is an apocalyptic number.

1121126464550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121126464550 is a deficient number, since it is larger than the sum of its proper divisors (965078390746).

1121126464550 is a wasteful number, since it uses less digits than its factorization.

1121126464550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9780992 (or 9780987 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 38.

The spelling of 1121126464550 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-six million, four hundred sixty-four thousand, five hundred fifty".