1165615220150 has 24 divisors (see below), whose sum is σ = 2168346388824. Its totient is φ = 466181124800.

The previous prime is 1165615220131. The next prime is 1165615220173. The reversal of 1165615220150 is 510225165611.

It is a self number, because there is not a number n which added to its sum of digits gives 1165615220150.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1260836 + ... + 1980135.

It is an arithmetic number, because the mean of its divisors is an integer number (90347766201).

Almost surely, 2^{1165615220150} is an apocalyptic number.

1165615220150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1165615220150 is a deficient number, since it is larger than the sum of its proper divisors (1002731168674).

1165615220150 is a wasteful number, since it uses less digits than its factorization.

1165615220150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3248176 (or 3248171 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 35.

The spelling of 1165615220150 in words is "one trillion, one hundred sixty-five billion, six hundred fifteen million, two hundred twenty thousand, one hundred fifty".