125544254446 has 16 divisors (see below), whose sum is σ = 208283400864. Its totient is φ = 56377461024.

The previous prime is 125544254443. The next prime is 125544254453. The reversal of 125544254446 is 644452445521.

It is a super-2 number, since 2×125544254446² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125544254396 and 125544254405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125544254443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65250730 + ... + 65252653.

It is an arithmetic number, because the mean of its divisors is an integer number (13017712554).

Almost surely, 2^125544254446 is an apocalyptic number.

125544254446 is a deficient number, since it is larger than the sum of its proper divisors (82739146418).

125544254446 is a wasteful number, since it uses less digits than its factorization.

125544254446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130503435.

The product of its digits is 3072000, while the sum is 46.

Adding to 125544254446 its reverse (644452445521), we get a palindrome (769996699967).

The spelling of 125544254446 in words is "one hundred twenty-five billion, five hundred forty-four million, two hundred fifty-four thousand, four hundred forty-six".