125011420353450 has 36 divisors (see below), whose sum is σ = 335864016017478. Its totient is φ = 33336378760800.

The previous prime is 125011420353427. The next prime is 125011420353461. The reversal of 125011420353450 is 54353024110521.

125011420353450 is a `hidden beast` number, since 1 + 2 + 5 + 0 + 114 + 2 + 0 + 3 + 534 + 5 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 101469700729089 + 23541719624361 = 10073217^2 + 4851981^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 138901577721 + ... + 138901578620.

Almost surely, 2^{125011420353450} is an apocalyptic number.

125011420353450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125011420353450 is an abundant number, since it is smaller than the sum of its proper divisors (210852595664028).

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

125011420353450 is a wasteful number, since it uses less digits than its factorization.

125011420353450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277803156359 (or 277803156351 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 125011420353450 its reverse (54353024110521), we get a palindrome (179364444463971).

The spelling of 125011420353450 in words is "one hundred twenty-five trillion, eleven billion, four hundred twenty million, three hundred fifty-three thousand, four hundred fifty".