125502555451513 has 16 divisors (see below), whose sum is σ = 129870734946624. Its totient is φ = 121189149812160.

The previous prime is 125502555451499. The next prime is 125502555451541. The reversal of 125502555451513 is 315154555205521.

It is a cyclic number.

It is not a de Polignac number, because 125502555451513 - 2⁹ = 125502555451001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125502555451543) 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, 20906223 + ... + 26231188.

It is an arithmetic number, because the mean of its divisors is an integer number (8116920934164).

Almost surely, 2^{125502555451513} is an apocalyptic number.

It is an amenable number.

125502555451513 is a deficient number, since it is larger than the sum of its proper divisors (4368179495111).

125502555451513 is a wasteful number, since it uses less digits than its factorization.

125502555451513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47137992.

The product of its (nonzero) digits is 3750000, while the sum is 49.

The spelling of 125502555451513 in words is "one hundred twenty-five trillion, five hundred two billion, five hundred fifty-five million, four hundred fifty-one thousand, five hundred thirteen".