1051125644900 has 18 divisors (see below), whose sum is σ = 2280942649650. Its totient is φ = 420450257920.

The previous prime is 1051125644873. The next prime is 1051125644909. The reversal of 1051125644900 is 94465211501.

It can be written as a sum of positive squares in 3 ways, for example, as 175898037604 + 875227607296 = 419402^2 + 935536^2 .

It is a super-2 number, since 2×1051125644900² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1051125644909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5255628125 + ... + 5255628324.

Almost surely, 2^{1051125644900} is an apocalyptic number.

1051125644900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1051125644900 is an abundant number, since it is smaller than the sum of its proper divisors (1229817004750).

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

1051125644900 is a wasteful number, since it uses less digits than its factorization.

1051125644900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10511256463 (or 10511256456 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 38.

The spelling of 1051125644900 in words is "one trillion, fifty-one billion, one hundred twenty-five million, six hundred forty-four thousand, nine hundred".