125550838450 has 12 divisors (see below), whose sum is σ = 233524559610. Its totient is φ = 50220335360.

The previous prime is 125550838409. The next prime is 125550838489. The reversal of 125550838450 is 54838055521.

It can be written as a sum of positive squares in 3 ways, for example, as 87452092729 + 38098745721 = 295723^2 + 195189^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 125550838450.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1255508335 + ... + 1255508434.

Almost surely, 2^125550838450 is an apocalyptic number.

125550838450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125550838450 is a deficient number, since it is larger than the sum of its proper divisors (107973721160).

125550838450 is a wasteful number, since it uses less digits than its factorization.

125550838450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2511016781 (or 2511016776 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 46.

The spelling of 125550838450 in words is "one hundred twenty-five billion, five hundred fifty million, eight hundred thirty-eight thousand, four hundred fifty".