3550878124425 has 18 divisors (see below), whose sum is σ = 6360017263262. Its totient is φ = 1893801666240.

The previous prime is 3550878124363. The next prime is 3550878124439. The reversal of 3550878124425 is 5244218780553.

It is a happy number.

3550878124425 is a `hidden beast` number, since 3 + 5 + 508 + 7 + 8 + 124 + 4 + 2 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 991322905104 + 2559555219321 = 995652^2 + 1599861^2 .

It is not a de Polignac number, because 3550878124425 - 2⁸ = 3550878124169 is a prime.

It is a Duffinian number.

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, 7890840052 + ... + 7890840501.

Almost surely, 2^{3550878124425} is an apocalyptic number.

It is an amenable number.

3550878124425 is a deficient number, since it is larger than the sum of its proper divisors (2809139138837).

3550878124425 is a wasteful number, since it uses less digits than its factorization.

3550878124425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15781680569 (or 15781680561 counting only the distinct ones).

The product of its (nonzero) digits is 10752000, while the sum is 54.

The spelling of 3550878124425 in words is "three trillion, five hundred fifty billion, eight hundred seventy-eight million, one hundred twenty-four thousand, four hundred twenty-five".