1173053621776 has 45 divisors (see below), whose sum is σ = 2398876143183. Its totient is φ = 555617988000.

The previous prime is 1173053621731. The next prime is 1173053621783. The reversal of 1173053621776 is 6771263503711.

The square root of 1173053621776 is 1083076.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×1173053621776² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 82306651 + ... + 82320901.

Almost surely, 2^{1173053621776} is an apocalyptic number.

1173053621776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1173053621776 is the 1083076-th square number.

It is an amenable number.

1173053621776 is an abundant number, since it is smaller than the sum of its proper divisors (1225822521407).

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

1173053621776 is an frugal number, since it uses more digits than its factorization.

1173053621776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28548 (or 14272 counting only the distinct ones).

The product of its (nonzero) digits is 1111320, while the sum is 49.

Multiplying 1173053621776 by its sum of digits (49), we get a square (57479627467024 = 7581532²).

The spelling of 1173053621776 in words is "one trillion, one hundred seventy-three billion, fifty-three million, six hundred twenty-one thousand, seven hundred seventy-six".