2015135741547 has 12 divisors (see below), whose sum is σ = 2911023215464. Its totient is φ = 1343298479040.

The previous prime is 2015135741539. The next prime is 2015135741551. The reversal of 2015135741547 is 7451475315102.

2015135741547 is a `hidden beast` number, since 2 + 0 + 1 + 5 + 1 + 35 + 74 + 1 + 547 = 666.

It is not a de Polignac number, because 2015135741547 - 2³ = 2015135741539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2015135740547) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10343854 + ... + 10536867.

Almost surely, 2^{2015135741547} is an apocalyptic number.

2015135741547 is a deficient number, since it is larger than the sum of its proper divisors (895887473917).

2015135741547 is a wasteful number, since it uses less digits than its factorization.

2015135741547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20891450 (or 20891447 counting only the distinct ones).

The product of its (nonzero) digits is 588000, while the sum is 45.

The spelling of 2015135741547 in words is "two trillion, fifteen billion, one hundred thirty-five million, seven hundred forty-one thousand, five hundred forty-seven".