2155340213414 has 4 divisors (see below), whose sum is σ = 3233010320124. Its totient is φ = 1077670106706.

The previous prime is 2155340213407. The next prime is 2155340213417. The reversal of 2155340213414 is 4143120435512.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2155340213417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538835053352 + ... + 538835053355.

It is an arithmetic number, because the mean of its divisors is an integer number (808252580031).

Almost surely, 2^{2155340213414} is an apocalyptic number.

2155340213414 is a deficient number, since it is larger than the sum of its proper divisors (1077670106710).

2155340213414 is a wasteful number, since it uses less digits than its factorization.

2155340213414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077670106709.

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 2155340213414 its reverse (4143120435512), we get a palindrome (6298460648926).

The spelling of 2155340213414 in words is "two trillion, one hundred fifty-five billion, three hundred forty million, two hundred thirteen thousand, four hundred fourteen".