1151165611610 has 32 divisors (see below), whose sum is σ = 2385148913280. Its totient is φ = 391845886272.

The previous prime is 1151165611597. The next prime is 1151165611657. The reversal of 1151165611610 is 161165611511.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59145749 + ... + 59165208.

It is an arithmetic number, because the mean of its divisors is an integer number (74535903540).

Almost surely, 2^{1151165611610} is an apocalyptic number.

1151165611610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1151165611610 is an abundant number, since it is smaller than the sum of its proper divisors (1233983301670).

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

1151165611610 is a wasteful number, since it uses less digits than its factorization.

1151165611610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118311110.

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

Subtracting from 1151165611610 its reverse (161165611511), we obtain a palindrome (990000000099).

The spelling of 1151165611610 in words is "one trillion, one hundred fifty-one billion, one hundred sixty-five million, six hundred eleven thousand, six hundred ten".