5511551660050 has 24 divisors (see below), whose sum is σ = 10251962461872. Its totient is φ = 2204518218000.

The previous prime is 5511551660003. The next prime is 5511551660053. The reversal of 5511551660050 is 500661551155.

It is a hoax number, since the sum of its digits (40) 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 = 5511551659985 and 5511551660012.

It is not an unprimeable number, because it can be changed into a prime (5511551660053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1469796 + ... + 3630895.

It is an arithmetic number, because the mean of its divisors is an integer number (427165102578).

Almost surely, 2^{5511551660050} is an apocalyptic number.

5511551660050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5511551660050 is a deficient number, since it is larger than the sum of its proper divisors (4740410801822).

5511551660050 is a wasteful number, since it uses less digits than its factorization.

5511551660050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5122314 (or 5122309 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 40.

The spelling of 5511551660050 in words is "five trillion, five hundred eleven billion, five hundred fifty-one million, six hundred sixty thousand, fifty".