126516267025 has 12 divisors (see below), whose sum is σ = 156895676784. Its totient is φ = 101203010000.

The previous prime is 126516267019. The next prime is 126516267037. The reversal of 126516267025 is 520762615621.

It is not a de Polignac number, because 126516267025 - 2¹³ = 126516258833 is a prime.

It is a super-2 number, since 2×126516267025² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13350 + ... + 503200.

It is an arithmetic number, because the mean of its divisors is an integer number (13074639732).

Almost surely, 2^126516267025 is an apocalyptic number.

It is an amenable number.

126516267025 is a deficient number, since it is larger than the sum of its proper divisors (30379409759).

126516267025 is a wasteful number, since it uses less digits than its factorization.

126516267025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500192 (or 500187 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 126516267025 in words is "one hundred twenty-six billion, five hundred sixteen million, two hundred sixty-seven thousand, twenty-five".