125525413450 has 48 divisors (see below), whose sum is σ = 253240838424. Its totient is φ = 46104012800.

The previous prime is 125525413397. The next prime is 125525413451. The reversal of 125525413450 is 54314525521.

It can be written as a sum of positive squares in 12 ways, for example, as 23296222161 + 102229191289 = 152631^2 + 319733^2 .

It is not an unprimeable number, because it can be changed into a prime (125525413451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1766089 + ... + 1835788.

Almost surely, 2^125525413450 is an apocalyptic number.

125525413450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125525413450 is an abundant number, since it is smaller than the sum of its proper divisors (127715424974).

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

125525413450 is a wasteful number, since it uses less digits than its factorization.

125525413450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3601947 (or 3601942 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 37.

Adding to 125525413450 its reverse (54314525521), we get a palindrome (179839938971).

The spelling of 125525413450 in words is "one hundred twenty-five billion, five hundred twenty-five million, four hundred thirteen thousand, four hundred fifty".