1175420955550 has 48 divisors (see below), whose sum is σ = 2332558978992. Its totient is φ = 439133427200.

The previous prime is 1175420955539. The next prime is 1175420955559. The reversal of 1175420955550 is 555590245711.

It is a super-2 number, since 2×1175420955550² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1175420955494 and 1175420955503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1175420955559) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5166697 + ... + 5389396.

It is an arithmetic number, because the mean of its divisors is an integer number (48594978729).

Almost surely, 2^{1175420955550} is an apocalyptic number.

1175420955550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1175420955550 is a deficient number, since it is larger than the sum of its proper divisors (1157138023442).

1175420955550 is a wasteful number, since it uses less digits than its factorization.

1175420955550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10556253 (or 10556248 counting only the distinct ones).

The product of its (nonzero) digits is 1575000, while the sum is 49.

The spelling of 1175420955550 in words is "one trillion, one hundred seventy-five billion, four hundred twenty million, nine hundred fifty-five thousand, five hundred fifty".