1051661031125 has 16 divisors (see below), whose sum is σ = 1312527590400. Its totient is φ = 841293810000.

The previous prime is 1051661031103. The next prime is 1051661031131. The reversal of 1051661031125 is 5211301661501.

It is not a de Polignac number, because 1051661031125 - 2⁸ = 1051661030869 is a prime.

It is a super-2 number, since 2×1051661031125² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1051661031091 and 1051661031100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3081776 + ... + 3405974.

It is an arithmetic number, because the mean of its divisors is an integer number (82032974400).

Almost surely, 2^{1051661031125} is an apocalyptic number.

It is an amenable number.

1051661031125 is a deficient number, since it is larger than the sum of its proper divisors (260866559275).

1051661031125 is an equidigital number, since it uses as much as digits as its factorization.

1051661031125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350165 (or 350155 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 32.

Adding to 1051661031125 its reverse (5211301661501), we get a palindrome (6262962692626).

The spelling of 1051661031125 in words is "one trillion, fifty-one billion, six hundred sixty-one million, thirty-one thousand, one hundred twenty-five".