1015011605413 has 4 divisors (see below), whose sum is σ = 1093089421228. Its totient is φ = 936933789600.

The previous prime is 1015011605401. The next prime is 1015011605467. The reversal of 1015011605413 is 3145061105101.

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

It can be written as a sum of positive squares in 2 ways, for example, as 49504915009 + 965506690404 = 222497^2 + 982602^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1015011605413 is a prime.

It is a super-2 number, since 2×1015011605413² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1015011605473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39038907888 + ... + 39038907913.

It is an arithmetic number, because the mean of its divisors is an integer number (273272355307).

Almost surely, 2^{1015011605413} is an apocalyptic number.

1015011605413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1015011605413 is a deficient number, since it is larger than the sum of its proper divisors (78077815815).

1015011605413 is an equidigital number, since it uses as much as digits as its factorization.

1015011605413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78077815814.

The product of its (nonzero) digits is 1800, while the sum is 28.

The spelling of 1015011605413 in words is "one trillion, fifteen billion, eleven million, six hundred five thousand, four hundred thirteen".