1151851410765 has 48 divisors (see below), whose sum is σ = 2178506154240. Its totient is φ = 558355501440.

The previous prime is 1151851410757. The next prime is 1151851410799. The reversal of 1151851410765 is 5670141581511.

1151851410765 is a `hidden beast` number, since 1 + 1 + 51 + 8 + 514 + 10 + 76 + 5 = 666.

It is not a de Polignac number, because 1151851410765 - 2³ = 1151851410757 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1151851410765.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2124331 + ... + 2610839.

It is an arithmetic number, because the mean of its divisors is an integer number (45385544880).

Almost surely, 2^{1151851410765} is an apocalyptic number.

1151851410765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1151851410765 is a deficient number, since it is larger than the sum of its proper divisors (1026654743475).

1151851410765 is a wasteful number, since it uses less digits than its factorization.

1151851410765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491314 (or 491311 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 45.

The spelling of 1151851410765 in words is "one trillion, one hundred fifty-one billion, eight hundred fifty-one million, four hundred ten thousand, seven hundred sixty-five".