10801578011651 has 4 divisors (see below), whose sum is σ = 12344660584752. Its totient is φ = 9258495438552.

The previous prime is 10801578011641. The next prime is 10801578011759. The reversal of 10801578011651 is 15611087510801.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10801578011651 - 2³⁰ = 10800504269827 is a prime.

It is a super-3 number, since 3×10801578011651³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10801578011611) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 771541286540 + ... + 771541286553.

It is an arithmetic number, because the mean of its divisors is an integer number (3086165146188).

Almost surely, 2^{10801578011651} is an apocalyptic number.

10801578011651 is a deficient number, since it is larger than the sum of its proper divisors (1543082573101).

10801578011651 is an equidigital number, since it uses as much as digits as its factorization.

10801578011651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543082573100.

The product of its (nonzero) digits is 67200, while the sum is 44.

The spelling of 10801578011651 in words is "ten trillion, eight hundred one billion, five hundred seventy-eight million, eleven thousand, six hundred fifty-one".