1151661105150 has 24 divisors (see below), whose sum is σ = 2856119541144. Its totient is φ = 307109628000.

The previous prime is 1151661105097. The next prime is 1151661105151. The reversal of 1151661105150 is 515011661511.

It is a super-2 number, since 2×1151661105150² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151661105151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3838870201 + ... + 3838870500.

It is an arithmetic number, because the mean of its divisors is an integer number (119004980881).

Almost surely, 2^{1151661105150} is an apocalyptic number.

1151661105150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1151661105150 is an abundant number, since it is smaller than the sum of its proper divisors (1704458435994).

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

1151661105150 is a wasteful number, since it uses less digits than its factorization.

1151661105150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7677740716 (or 7677740711 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 33.

Adding to 1151661105150 its reverse (515011661511), we get a palindrome (1666672766661).

The spelling of 1151661105150 in words is "one trillion, one hundred fifty-one billion, six hundred sixty-one million, one hundred five thousand, one hundred fifty".