1151105561651 has 8 divisors (see below), whose sum is σ = 1153169895600. Its totient is φ = 1149042857760.

The previous prime is 1151105561521. The next prime is 1151105561653. The reversal of 1151105561651 is 1561655011511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1151105561651 - 2¹⁸ = 1151105299507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1151105561653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1010516 + ... + 1823006.

It is an arithmetic number, because the mean of its divisors is an integer number (144146236950).

Almost surely, 2^{1151105561651} is an apocalyptic number.

1151105561651 is a deficient number, since it is larger than the sum of its proper divisors (2064333949).

1151105561651 is an equidigital number, since it uses as much as digits as its factorization.

1151105561651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815029.

The product of its (nonzero) digits is 22500, while the sum is 38.

The spelling of 1151105561651 in words is "one trillion, one hundred fifty-one billion, one hundred five million, five hundred sixty-one thousand, six hundred fifty-one".