126784316155 has 64 divisors (see below), whose sum is σ = 184913694720. Its totient is φ = 81517363200.

The previous prime is 126784316149. The next prime is 126784316161. The reversal of 126784316155 is 551613487621.

It is an interprime number because it is at equal distance from previous prime (126784316149) and next prime (126784316161).

It is not a de Polignac number, because 126784316155 - 2¹⁵ = 126784283387 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 126784316099 and 126784316108.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28291515 + ... + 28295995.

It is an arithmetic number, because the mean of its divisors is an integer number (2889276480).

Almost surely, 2^126784316155 is an apocalyptic number.

126784316155 is a deficient number, since it is larger than the sum of its proper divisors (58129378565).

126784316155 is a wasteful number, since it uses less digits than its factorization.

126784316155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4940.

The product of its digits is 1209600, while the sum is 49.

The spelling of 126784316155 in words is "one hundred twenty-six billion, seven hundred eighty-four million, three hundred sixteen thousand, one hundred fifty-five".