2145880801653 has 16 divisors (see below), whose sum is σ = 2873637398016. Its totient is φ = 1424359926000.

The previous prime is 2145880801643. The next prime is 2145880801657. The reversal of 2145880801653 is 3561080885412.

It is not a de Polignac number, because 2145880801653 - 2¹³ = 2145880793461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2145880801596 and 2145880801605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145880801657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1512000 + ... + 2564742.

It is an arithmetic number, because the mean of its divisors is an integer number (179602337376).

Almost surely, 2^{2145880801653} is an apocalyptic number.

It is an amenable number.

2145880801653 is a deficient number, since it is larger than the sum of its proper divisors (727756596363).

2145880801653 is a wasteful number, since it uses less digits than its factorization.

2145880801653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055704.

The product of its (nonzero) digits is 1843200, while the sum is 51.

The spelling of 2145880801653 in words is "two trillion, one hundred forty-five billion, eight hundred eighty million, eight hundred one thousand, six hundred fifty-three".