126502525155 has 16 divisors (see below), whose sum is σ = 202498805664. Its totient is φ = 67436424960.

The previous prime is 126502525129. The next prime is 126502525211. The reversal of 126502525155 is 551525205621.

It is not a de Polignac number, because 126502525155 - 2¹⁸ = 126502263011 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1941156 + ... + 2005265.

It is an arithmetic number, because the mean of its divisors is an integer number (12656175354).

Almost surely, 2^126502525155 is an apocalyptic number.

126502525155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

126502525155 is a deficient number, since it is larger than the sum of its proper divisors (75996280509).

126502525155 is a wasteful number, since it uses less digits than its factorization.

126502525155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3948566.

The product of its (nonzero) digits is 150000, while the sum is 39.

The spelling of 126502525155 in words is "one hundred twenty-six billion, five hundred two million, five hundred twenty-five thousand, one hundred fifty-five".