1263172298080 has 288 divisors, whose sum is σ = 3850137361728. Its totient is φ = 383073546240.

The previous prime is 1263172298071. The next prime is 1263172298107. The reversal of 1263172298080 is 808922713621.

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, 4888282 + ... + 5140198.

It is an arithmetic number, because the mean of its divisors is an integer number (13368532506).

Almost surely, 2^{1263172298080} is an apocalyptic number.

1263172298080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1263172298080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1925068680864).

1263172298080 is an abundant number, since it is smaller than the sum of its proper divisors (2586965063648).

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

1263172298080 is a wasteful number, since it uses less digits than its factorization.

1263172298080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251998 (or 251979 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 49.

The spelling of 1263172298080 in words is "one trillion, two hundred sixty-three billion, one hundred seventy-two million, two hundred ninety-eight thousand, eighty".