125512515460 has 48 divisors (see below), whose sum is σ = 264178862640. Its totient is φ = 50090342400.

The previous prime is 125512515449. The next prime is 125512515463. The reversal of 125512515460 is 64515215521.

It can be written as a sum of positive squares in 8 ways, for example, as 364962816 + 125147552644 = 19104^2 + 353762^2 .

It is not an unprimeable number, because it can be changed into a prime (125512515463) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 35685622 + ... + 35689138.

It is an arithmetic number, because the mean of its divisors is an integer number (5503726305).

Almost surely, 2^125512515460 is an apocalyptic number.

125512515460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125512515460 is an abundant number, since it is smaller than the sum of its proper divisors (138666347180).

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

125512515460 is a wasteful number, since it uses less digits than its factorization.

125512515460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7096 (or 7094 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 37.

The spelling of 125512515460 in words is "one hundred twenty-five billion, five hundred twelve million, five hundred fifteen thousand, four hundred sixty".