2154433113315 has 48 divisors (see below), whose sum is σ = 4405501341696. Its totient is φ = 953113262400.

The previous prime is 2154433113277. The next prime is 2154433113323. The reversal of 2154433113315 is 5133113344512.

2154433113315 is a `hidden beast` number, since 2 + 1 + 5 + 4 + 4 + 3 + 311 + 331 + 5 = 666.

It is not a de Polignac number, because 2154433113315 - 2¹⁹ = 2154432589027 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2154433113315.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 110304271 + ... + 110323800.

It is an arithmetic number, because the mean of its divisors is an integer number (91781277952).

Almost surely, 2^{2154433113315} is an apocalyptic number.

2154433113315 is an abundant number, since it is smaller than the sum of its proper divisors (2251068228381).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2154433113315 is a wasteful number, since it uses less digits than its factorization.

2154433113315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220628120 (or 220628117 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

Adding to 2154433113315 its reverse (5133113344512), we get a palindrome (7287546457827).

The spelling of 2154433113315 in words is "two trillion, one hundred fifty-four billion, four hundred thirty-three million, one hundred thirteen thousand, three hundred fifteen".