126778237041170 has 32 divisors (see below), whose sum is σ = 268096076095680. Its totient is φ = 42554932712640.

The previous prime is 126778237041149. The next prime is 126778237041241. The reversal of 126778237041170 is 71140732877621.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44328053480 + ... + 44328056339.

It is an arithmetic number, because the mean of its divisors is an integer number (8378002377990).

Almost surely, 2^{126778237041170} is an apocalyptic number.

126778237041170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126778237041170 is an abundant number, since it is smaller than the sum of its proper divisors (141317839054510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126778237041170 is a wasteful number, since it uses less digits than its factorization.

126778237041170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88656109850.

The product of its (nonzero) digits is 5531904, while the sum is 56.

The spelling of 126778237041170 in words is "one hundred twenty-six trillion, seven hundred seventy-eight billion, two hundred thirty-seven million, forty-one thousand, one hundred seventy".