3138249041505 has 12 divisors (see below), whose sum is σ = 5439631672020. Its totient is φ = 1673732822112.

The previous prime is 3138249041491. The next prime is 3138249041513. The reversal of 3138249041505 is 5051409428313.

3138249041505 is a `hidden beast` number, since 3 + 1 + 3 + 8 + 2 + 490 + 4 + 150 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2275741205136 + 862507836369 = 1508556^2 + 928713^2 .

It is not a de Polignac number, because 3138249041505 - 2¹⁶ = 3138248975969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 69738867589 = 3138249041505 / (3 + 1 + 3 + 8 + 2 + 4 + 9 + 0 + 4 + 1 + 5 + 0 + 5).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34869433750 + ... + 34869433839.

It is an arithmetic number, because the mean of its divisors is an integer number (453302639335).

Almost surely, 2^{3138249041505} is an apocalyptic number.

It is an amenable number.

3138249041505 is a deficient number, since it is larger than the sum of its proper divisors (2301382630515).

3138249041505 is a wasteful number, since it uses less digits than its factorization.

3138249041505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69738867600 (or 69738867597 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 3138249041505 in words is "three trillion, one hundred thirty-eight billion, two hundred forty-nine million, forty-one thousand, five hundred five".