11087879401 has 9 divisors (see below), whose sum is σ = 11486567703. Its totient is φ = 10702590360.

The previous prime is 11087879389. The next prime is 11087879437. The reversal of 11087879401 is 10497878011.

It is a happy number.

The square root of 11087879401 is 105299.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 5814215001 + 5273664400 = 76251^2 + 72620^2 .

It is not a de Polignac number, because 11087879401 - 2²⁵ = 11054324969 is a prime.

It is a super-2 number, since 2×11087879401² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11087879471) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3051856 + ... + 3055486.

Almost surely, 2^11087879401 is an apocalyptic number.

11087879401 is the 105299-th square number.

11087879401 is the 52650-th centered octagonal number.

It is an amenable number.

11087879401 is a deficient number, since it is larger than the sum of its proper divisors (398688302).

11087879401 is an frugal number, since it uses more digits than its factorization.

11087879401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7320 (or 3660 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 46.

The spelling of 11087879401 in words is "eleven billion, eighty-seven million, eight hundred seventy-nine thousand, four hundred one".