1122671723550 has 768 divisors, whose sum is σ = 3442279680000. Its totient is φ = 240540917760.

The previous prime is 1122671723549. The next prime is 1122671723561. The reversal of 1122671723550 is 553271762211.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 5641566351 + ... + 5641566549.

It is an arithmetic number, because the mean of its divisors is an integer number (4482135000).

Almost surely, 2^{1122671723550} is an apocalyptic number.

1122671723550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1122671723550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1721139840000).

1122671723550 is an abundant number, since it is smaller than the sum of its proper divisors (2319607956450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1122671723550 is a wasteful number, since it uses less digits than its factorization.

1122671723550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 42.

The spelling of 1122671723550 in words is "one trillion, one hundred twenty-two billion, six hundred seventy-one million, seven hundred twenty-three thousand, five hundred fifty".