2155427137153 has 4 divisors (see below), whose sum is σ = 2162313486148. Its totient is φ = 2148540788160.

The previous prime is 2155427137141. The next prime is 2155427137187. The reversal of 2155427137153 is 3517317245512.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1075964320369 + 1079462816784 = 1037287^2 + 1038972^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2155427137153 is a prime.

It is a super-2 number, since 2×2155427137153² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2155427137753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3443174028 + ... + 3443174653.

It is an arithmetic number, because the mean of its divisors is an integer number (540578371537).

Almost surely, 2^{2155427137153} is an apocalyptic number.

It is an amenable number.

2155427137153 is a deficient number, since it is larger than the sum of its proper divisors (6886348995).

2155427137153 is an equidigital number, since it uses as much as digits as its factorization.

2155427137153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6886348994.

The product of its digits is 882000, while the sum is 46.

The spelling of 2155427137153 in words is "two trillion, one hundred fifty-five billion, four hundred twenty-seven million, one hundred thirty-seven thousand, one hundred fifty-three".