1086818811651 has 6 divisors (see below), whose sum is σ = 1569849394620. Its totient is φ = 724545874428.

The previous prime is 1086818811647. The next prime is 1086818811731. The reversal of 1086818811651 is 1561188186801.

It is not a de Polignac number, because 1086818811651 - 2² = 1086818811647 is a prime.

It is a super-3 number, since 3×1086818811651³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1086818813651) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60378822861 + ... + 60378822878.

It is an arithmetic number, because the mean of its divisors is an integer number (261641565770).

Almost surely, 2^{1086818811651} is an apocalyptic number.

1086818811651 is a deficient number, since it is larger than the sum of its proper divisors (483030582969).

1086818811651 is a wasteful number, since it uses less digits than its factorization.

1086818811651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120757645745 (or 120757645742 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 54.

The spelling of 1086818811651 in words is "one trillion, eighty-six billion, eight hundred eighteen million, eight hundred eleven thousand, six hundred fifty-one".