1573113278772 has 216 divisors, whose sum is σ = 4654027699776. Its totient is φ = 446713214976.

The previous prime is 1573113278719. The next prime is 1573113278773. The reversal of 1573113278772 is 2778723113751.

1573113278772 is a `hidden beast` number, since 1 + 57 + 311 + 3 + 278 + 7 + 7 + 2 = 666.

It is a super-3 number, since 3×1573113278772³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1573113278773) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 649240753 + ... + 649243175.

It is an arithmetic number, because the mean of its divisors is an integer number (21546424536).

Almost surely, 2^{1573113278772} is an apocalyptic number.

1573113278772 is a gapful number since it is divisible by the number (12) 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 1573113278772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2327013849888).

1573113278772 is an abundant number, since it is smaller than the sum of its proper divisors (3080914421004).

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

1573113278772 is a wasteful number, since it uses less digits than its factorization.

1573113278772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4547 (or 4535 counting only the distinct ones).

The product of its digits is 3457440, while the sum is 54.

The spelling of 1573113278772 in words is "one trillion, five hundred seventy-three billion, one hundred thirteen million, two hundred seventy-eight thousand, seven hundred seventy-two".