1011540010050 has 36 divisors (see below), whose sum is σ = 2717670828210. Its totient is φ = 269744002560.

The previous prime is 1011540010037. The next prime is 1011540010057. The reversal of 1011540010050 is 500100451101.

It is a happy number.

1011540010050 is a `hidden beast` number, since 1 + 0 + 115 + 400 + 100 + 50 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 729174242889 + 282365767161 = 853917^2 + 531381^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1011540010057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1123932895 + ... + 1123933794.

Almost surely, 2^{1011540010050} is an apocalyptic number.

1011540010050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011540010050 is an abundant number, since it is smaller than the sum of its proper divisors (1706130818160).

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

1011540010050 is a wasteful number, since it uses less digits than its factorization.

1011540010050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2247866707 (or 2247866699 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

Adding to 1011540010050 its reverse (500100451101), we get a palindrome (1511640461151).

The spelling of 1011540010050 in words is "one trillion, eleven billion, five hundred forty million, ten thousand, fifty".