5155138172948 has 24 divisors (see below), whose sum is σ = 9102831514728. Its totient is φ = 2554336705536.

The previous prime is 5155138172897. The next prime is 5155138173007. The reversal of 5155138172948 is 8492718315515.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1029112860304 + 4126025312644 = 1014452^2 + 2031262^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1805990 + ... + 3684002.

It is an arithmetic number, because the mean of its divisors is an integer number (379284646447).

Almost surely, 2^{5155138172948} is an apocalyptic number.

It is an amenable number.

5155138172948 is a deficient number, since it is larger than the sum of its proper divisors (3947693341780).

5155138172948 is a wasteful number, since it uses less digits than its factorization.

5155138172948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1884203 (or 1884201 counting only the distinct ones).

The product of its digits is 12096000, while the sum is 59.

The spelling of 5155138172948 in words is "five trillion, one hundred fifty-five billion, one hundred thirty-eight million, one hundred seventy-two thousand, nine hundred forty-eight".