1513355251161 has 8 divisors (see below), whose sum is σ = 2173022924800. Its totient is φ = 931295539152.

The previous prime is 1513355251127. The next prime is 1513355251169. The reversal of 1513355251161 is 1611525533151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1513355251161 - 2¹¹ = 1513355249113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 38803980799 = 1513355251161 / (1 + 5 + 1 + 3 + 3 + 5 + 5 + 2 + 5 + 1 + 1 + 6 + 1).

It is not an unprimeable number, because it can be changed into a prime (1513355251169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19401990361 + ... + 19401990438.

It is an arithmetic number, because the mean of its divisors is an integer number (271627865600).

Almost surely, 2^{1513355251161} is an apocalyptic number.

It is an amenable number.

1513355251161 is a deficient number, since it is larger than the sum of its proper divisors (659667673639).

1513355251161 is a wasteful number, since it uses less digits than its factorization.

1513355251161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38803980815.

The product of its digits is 67500, while the sum is 39.

The spelling of 1513355251161 in words is "one trillion, five hundred thirteen billion, three hundred fifty-five million, two hundred fifty-one thousand, one hundred sixty-one".