2137561140145 has 16 divisors (see below), whose sum is σ = 2592176323968. Its totient is φ = 1691989240320.

The previous prime is 2137561140137. The next prime is 2137561140181. The reversal of 2137561140145 is 5410411657312.

It is not a de Polignac number, because 2137561140145 - 2³ = 2137561140137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2137561140098 and 2137561140107.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1355980 + ... + 2472610.

It is an arithmetic number, because the mean of its divisors is an integer number (162011020248).

Almost surely, 2^{2137561140145} is an apocalyptic number.

It is an amenable number.

2137561140145 is a deficient number, since it is larger than the sum of its proper divisors (454615183823).

2137561140145 is a wasteful number, since it uses less digits than its factorization.

2137561140145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120680.

The product of its (nonzero) digits is 100800, while the sum is 40.

Adding to 2137561140145 its reverse (5410411657312), we get a palindrome (7547972797457).

The spelling of 2137561140145 in words is "two trillion, one hundred thirty-seven billion, five hundred sixty-one million, one hundred forty thousand, one hundred forty-five".