2120365161513 has 40 divisors (see below), whose sum is σ = 3344996305728. Its totient is φ = 1335826251936.

The previous prime is 2120365161461. The next prime is 2120365161521. The reversal of 2120365161513 is 3151615630212.

2120365161513 is a `hidden beast` number, since 2 + 1 + 2 + 0 + 36 + 5 + 1 + 615 + 1 + 3 = 666.

It is not a de Polignac number, because 2120365161513 - 2⁶ = 2120365161449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2120365161583) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6701670 + ... + 7010927.

Almost surely, 2^{2120365161513} is an apocalyptic number.

2120365161513 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2120365161513 is a deficient number, since it is larger than the sum of its proper divisors (1224631144215).

2120365161513 is a wasteful number, since it uses less digits than its factorization.

2120365161513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13712715 (or 13712706 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 2120365161513 in words is "two trillion, one hundred twenty billion, three hundred sixty-five million, one hundred sixty-one thousand, five hundred thirteen".