1516125069 has 6 divisors (see below), whose sum is σ = 2189958446. Its totient is φ = 1010750040.

The previous prime is 1516125053. The next prime is 1516125073. The reversal of 1516125069 is 9605216151.

It can be written as a sum of positive squares in only one way, i.e., 1098127044 + 417998025 = 33138^2 + 20445^2 .

It is not a de Polignac number, because 1516125069 - 2⁴ = 1516125053 is a prime.

It is a super-2 number, since 2×1516125069² = 4597270449700509522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1516125269) 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, 84229162 + ... + 84229179.

Almost surely, 2^1516125069 is an apocalyptic number.

It is an amenable number.

1516125069 is a deficient number, since it is larger than the sum of its proper divisors (673833377).

1516125069 is a wasteful number, since it uses less digits than its factorization.

1516125069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168458347 (or 168458344 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 36.

The square root of 1516125069 is about 38937.4507254905. The cubic root of 1516125069 is about 1148.8015413928.

The spelling of 1516125069 in words is "one billion, five hundred sixteen million, one hundred twenty-five thousand, sixty-nine".