11027721651 has 8 divisors (see below), whose sum is σ = 14704193424. Its totient is φ = 7351532160.

The previous prime is 11027721559. The next prime is 11027721671. The reversal of 11027721651 is 15612772011.

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

It is not a de Polignac number, because 11027721651 - 2¹⁷ = 11027590579 is a prime.

It is a super-2 number, since 2×11027721651² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11027721671) 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, 50031 + ... + 156711.

It is an arithmetic number, because the mean of its divisors is an integer number (1838024178).

Almost surely, 2^11027721651 is an apocalyptic number.

11027721651 is a deficient number, since it is larger than the sum of its proper divisors (3676471773).

11027721651 is a wasteful number, since it uses less digits than its factorization.

11027721651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141141.

The product of its (nonzero) digits is 5880, while the sum is 33.

The spelling of 11027721651 in words is "eleven billion, twenty-seven million, seven hundred twenty-one thousand, six hundred fifty-one".