1051140442772 has 96 divisors (see below), whose sum is σ = 2222159063040. Its totient is φ = 425690916480.

The previous prime is 1051140442739. The next prime is 1051140442777. The reversal of 1051140442772 is 2772440411501.

It is a super-3 number, since 3×1051140442772³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051140442777) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4969697 + ... + 5176887.

It is an arithmetic number, because the mean of its divisors is an integer number (23147490240).

Almost surely, 2^{1051140442772} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1051140442772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1111079531520).

1051140442772 is an abundant number, since it is smaller than the sum of its proper divisors (1171018620268).

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

1051140442772 is a wasteful number, since it uses less digits than its factorization.

1051140442772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207381 (or 207379 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 38.

The spelling of 1051140442772 in words is "one trillion, fifty-one billion, one hundred forty million, four hundred forty-two thousand, seven hundred seventy-two".