2153551215045 has 8 divisors (see below), whose sum is σ = 3445681944096. Its totient is φ = 1148560648016.

The previous prime is 2153551214993. The next prime is 2153551215047. The reversal of 2153551215045 is 5405121553512.

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

It is a cyclic number.

It is not a de Polignac number, because 2153551215045 - 2¹⁸ = 2153550952901 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2153551214994 and 2153551215012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153551215047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71785040487 + ... + 71785040516.

It is an arithmetic number, because the mean of its divisors is an integer number (430710243012).

Almost surely, 2^{2153551215045} is an apocalyptic number.

It is an amenable number.

2153551215045 is a deficient number, since it is larger than the sum of its proper divisors (1292130729051).

2153551215045 is a wasteful number, since it uses less digits than its factorization.

2153551215045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143570081011.

The product of its (nonzero) digits is 150000, while the sum is 39.

Adding to 2153551215045 its reverse (5405121553512), we get a palindrome (7558672768557).

The spelling of 2153551215045 in words is "two trillion, one hundred fifty-three billion, five hundred fifty-one million, two hundred fifteen thousand, forty-five".