3155145420550 has 48 divisors (see below), whose sum is σ = 6071619092400. Its totient is φ = 1218401609600.

The previous prime is 3155145420541. The next prime is 3155145420587. The reversal of 3155145420550 is 550245415513.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13252461 + ... + 13488439.

It is an arithmetic number, because the mean of its divisors is an integer number (126492064425).

Almost surely, 2^{3155145420550} is an apocalyptic number.

3155145420550 is a deficient number, since it is larger than the sum of its proper divisors (2916473671850).

3155145420550 is a wasteful number, since it uses less digits than its factorization.

3155145420550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245241 (or 245236 counting only the distinct ones).

The product of its (nonzero) digits is 300000, while the sum is 40.

The spelling of 3155145420550 in words is "three trillion, one hundred fifty-five billion, one hundred forty-five million, four hundred twenty thousand, five hundred fifty".