126778792550380 has 48 divisors (see below), whose sum is σ = 268593974288640. Its totient is φ = 50262285201408.

The previous prime is 126778792550363. The next prime is 126778792550413. The reversal of 126778792550380 is 83055297877621.

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, 361784212 + ... + 362134468.

It is an arithmetic number, because the mean of its divisors is an integer number (5595707797680).

Almost surely, 2^{126778792550380} is an apocalyptic number.

126778792550380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126778792550380 is an abundant number, since it is smaller than the sum of its proper divisors (141815181738260).

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

126778792550380 is a wasteful number, since it uses less digits than its factorization.

126778792550380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510538 (or 510536 counting only the distinct ones).

The product of its (nonzero) digits is 355622400, while the sum is 70.

The spelling of 126778792550380 in words is "one hundred twenty-six trillion, seven hundred seventy-eight billion, seven hundred ninety-two million, five hundred fifty thousand, three hundred eighty".