124661716265440 has 48 divisors (see below), whose sum is σ = 298661379418080. Its totient is φ = 49162366973440.

The previous prime is 124661716265389. The next prime is 124661716265447. The reversal of 124661716265440 is 44562617166421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124661716265447) 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, 5486859955 + ... + 5486882674.

It is an arithmetic number, because the mean of its divisors is an integer number (6222112071210).

Almost surely, 2^{124661716265440} is an apocalyptic number.

124661716265440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124661716265440 is an abundant number, since it is smaller than the sum of its proper divisors (173999663152640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124661716265440 is a wasteful number, since it uses less digits than its factorization.

124661716265440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10973742715 (or 10973742707 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 55.

The spelling of 124661716265440 in words is "one hundred twenty-four trillion, six hundred sixty-one billion, seven hundred sixteen million, two hundred sixty-five thousand, four hundred forty".