126403165015350 has 96 divisors (see below), whose sum is σ = 315097296544800. Its totient is φ = 33533620055040.

The previous prime is 126403165015321. The next prime is 126403165015367. The reversal of 126403165015350 is 53510561304621.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 368405676 + ... + 368748624.

It is an arithmetic number, because the mean of its divisors is an integer number (3282263505675).

Almost surely, 2^{126403165015350} is an apocalyptic number.

126403165015350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 126403165015350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157548648272400).

126403165015350 is an abundant number, since it is smaller than the sum of its proper divisors (188694131529450).

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

126403165015350 is a wasteful number, since it uses less digits than its factorization.

126403165015350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355634 (or 355629 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 42.

The spelling of 126403165015350 in words is "one hundred twenty-six trillion, four hundred three billion, one hundred sixty-five million, fifteen thousand, three hundred fifty".