1051350515688 has 128 divisors (see below), whose sum is σ = 2879563478400. Its totient is φ = 317232537600.

The previous prime is 1051350515681. The next prime is 1051350515693. The reversal of 1051350515688 is 8865150531501.

It is a super-2 number, since 2×1051350515688² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1051350515681) 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, 102176848 + ... + 102187136.

It is an arithmetic number, because the mean of its divisors is an integer number (22496589675).

Almost surely, 2^{1051350515688} 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 1051350515688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1439781739200).

1051350515688 is an abundant number, since it is smaller than the sum of its proper divisors (1828212962712).

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

1051350515688 is a wasteful number, since it uses less digits than its factorization.

1051350515688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11923 (or 11919 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 48.

The spelling of 1051350515688 in words is "one trillion, fifty-one billion, three hundred fifty million, five hundred fifteen thousand, six hundred eighty-eight".