125516290466 has 16 divisors (see below), whose sum is σ = 218698175040. Its totient is φ = 52910848080.

The previous prime is 125516290453. The next prime is 125516290477. The reversal of 125516290466 is 664092615521.

It is a self number, because there is not a number n which added to its sum of digits gives 125516290466.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73486436 + ... + 73488143.

It is an arithmetic number, because the mean of its divisors is an integer number (13668635940).

Almost surely, 2^125516290466 is an apocalyptic number.

125516290466 is a deficient number, since it is larger than the sum of its proper divisors (93181884574).

125516290466 is a wasteful number, since it uses less digits than its factorization.

125516290466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146974649.

The product of its (nonzero) digits is 777600, while the sum is 47.

The spelling of 125516290466 in words is "one hundred twenty-five billion, five hundred sixteen million, two hundred ninety thousand, four hundred sixty-six".