124561605513 has 16 divisors (see below), whose sum is σ = 169344189056. Its totient is φ = 81418746240.

The previous prime is 124561605503. The next prime is 124561605541. The reversal of 124561605513 is 315506165421.

It is not a de Polignac number, because 124561605513 - 2⁸ = 124561605257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124561605503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1030045 + ... + 1144602.

It is an arithmetic number, because the mean of its divisors is an integer number (10584011816).

Almost surely, 2^124561605513 is an apocalyptic number.

It is an amenable number.

124561605513 is a deficient number, since it is larger than the sum of its proper divisors (44782583543).

124561605513 is a wasteful number, since it uses less digits than its factorization.

124561605513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2175024.

The product of its (nonzero) digits is 108000, while the sum is 39.

The spelling of 124561605513 in words is "one hundred twenty-four billion, five hundred sixty-one million, six hundred five thousand, five hundred thirteen".