2015135741546 has 4 divisors (see below), whose sum is σ = 3022703612322. Its totient is φ = 1007567870772.

The previous prime is 2015135741539. The next prime is 2015135741551. The reversal of 2015135741546 is 6451475315102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1975191322225 + 39944419321 = 1405415^2 + 199861^2 .

It is a super-2 number, since 2×2015135741546² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2015135741497 and 2015135741506.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 503783935385 + ... + 503783935388.

Almost surely, 2^{2015135741546} is an apocalyptic number.

2015135741546 is a deficient number, since it is larger than the sum of its proper divisors (1007567870776).

2015135741546 is a wasteful number, since it uses less digits than its factorization.

2015135741546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007567870775.

The product of its (nonzero) digits is 504000, while the sum is 44.

The spelling of 2015135741546 in words is "two trillion, fifteen billion, one hundred thirty-five million, seven hundred forty-one thousand, five hundred forty-six".