2155282526 has 4 divisors (see below), whose sum is σ = 3232923792. Its totient is φ = 1077641262.

The previous prime is 2155282511. The next prime is 2155282543. The reversal of 2155282526 is 6252825512.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2155282526.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538820630 + ... + 538820633.

It is an arithmetic number, because the mean of its divisors is an integer number (808230948).

Almost surely, 2^2155282526 is an apocalyptic number.

2155282526 is a deficient number, since it is larger than the sum of its proper divisors (1077641266).

2155282526 is a wasteful number, since it uses less digits than its factorization.

2155282526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077641265.

The product of its digits is 96000, while the sum is 38.

The square root of 2155282526 is about 46425.0204738781. The cubic root of 2155282526 is about 1291.7190642321.

The spelling of 2155282526 in words is "two billion, one hundred fifty-five million, two hundred eighty-two thousand, five hundred twenty-six".