126441940155 has 32 divisors (see below), whose sum is σ = 203588985600. Its totient is φ = 67009011840.

The previous prime is 126441940139. The next prime is 126441940169. The reversal of 126441940155 is 551049144621.

It is not a de Polignac number, because 126441940155 - 2⁴ = 126441940139 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3465196 + ... + 3501494.

It is an arithmetic number, because the mean of its divisors is an integer number (6362155800).

Almost surely, 2^126441940155 is an apocalyptic number.

126441940155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

126441940155 is a deficient number, since it is larger than the sum of its proper divisors (77147045445).

126441940155 is a wasteful number, since it uses less digits than its factorization.

126441940155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37771.

The product of its (nonzero) digits is 172800, while the sum is 42.

The spelling of 126441940155 in words is "one hundred twenty-six billion, four hundred forty-one million, nine hundred forty thousand, one hundred fifty-five".