2155614534026 has 4 divisors (see below), whose sum is σ = 3233421801042. Its totient is φ = 1077807267012.

The previous prime is 2155614534011. The next prime is 2155614534071. The reversal of 2155614534026 is 6204354165512.

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

It can be written as a sum of positive squares in only one way, i.e., 1200118059001 + 955496475025 = 1095499^2 + 977495^2 .

It is a super-2 number, since 2×2155614534026² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538903633505 + ... + 538903633508.

Almost surely, 2^{2155614534026} is an apocalyptic number.

2155614534026 is a deficient number, since it is larger than the sum of its proper divisors (1077807267016).

2155614534026 is a wasteful number, since it uses less digits than its factorization.

2155614534026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077807267015.

The product of its (nonzero) digits is 864000, while the sum is 44.

Adding to 2155614534026 its reverse (6204354165512), we get a palindrome (8359968699538).

The spelling of 2155614534026 in words is "two trillion, one hundred fifty-five billion, six hundred fourteen million, five hundred thirty-four thousand, twenty-six".