11661161510150 has 24 divisors (see below), whose sum is σ = 21692088752880. Its totient is φ = 4663963884960.

The previous prime is 11661161510069. The next prime is 11661161510177. The reversal of 11661161510150 is 5101516116611.

It is a self number, because there is not a number n which added to its sum of digits gives 11661161510150.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12047369 + ... + 12979268.

It is an arithmetic number, because the mean of its divisors is an integer number (903837031370).

Almost surely, 2^{11661161510150} is an apocalyptic number.

11661161510150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11661161510150 is a deficient number, since it is larger than the sum of its proper divisors (10030927242730).

11661161510150 is a wasteful number, since it uses less digits than its factorization.

11661161510150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25035968 (or 25035963 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 35.

Adding to 11661161510150 its reverse (5101516116611), we get a palindrome (16762677626761).

The spelling of 11661161510150 in words is "eleven trillion, six hundred sixty-one billion, one hundred sixty-one million, five hundred ten thousand, one hundred fifty".