1117711012550 has 96 divisors (see below), whose sum is σ = 2307171081600. Its totient is φ = 399413984000.

The previous prime is 1117711012541. The next prime is 1117711012571. The reversal of 1117711012550 is 552101177111.

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, 164875061 + ... + 164881839.

It is an arithmetic number, because the mean of its divisors is an integer number (24033032100).

Almost surely, 2^{1117711012550} is an apocalyptic number.

1117711012550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1117711012550 is an abundant number, since it is smaller than the sum of its proper divisors (1189460069050).

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

1117711012550 is a wasteful number, since it uses less digits than its factorization.

1117711012550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11942 (or 11937 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 32.

Adding to 1117711012550 its reverse (552101177111), we get a palindrome (1669812189661).

The spelling of 1117711012550 in words is "one trillion, one hundred seventeen billion, seven hundred eleven million, twelve thousand, five hundred fifty".