1005110561050 has 48 divisors (see below), whose sum is σ = 1985801295672. Its totient is φ = 377185536000.

The previous prime is 1005110561029. The next prime is 1005110561057. The reversal of 1005110561050 is 501650115001.

It can be written as a sum of positive squares in 12 ways, for example, as 36655782849 + 968454778201 = 191457^2 + 984101^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (1005110561057) 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, 1622901 + ... + 2155000.

Almost surely, 2^{1005110561050} is an apocalyptic number.

1005110561050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1005110561050 is a deficient number, since it is larger than the sum of its proper divisors (980690734622).

1005110561050 is a wasteful number, since it uses less digits than its factorization.

1005110561050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3778243 (or 3778238 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 25.

Adding to 1005110561050 its reverse (501650115001), we get a palindrome (1506760676051).

The spelling of 1005110561050 in words is "one trillion, five billion, one hundred ten million, five hundred sixty-one thousand, fifty".