11279877802 has 16 divisors (see below), whose sum is σ = 17155533960. Its totient is φ = 5561402112.

The previous prime is 11279877793. The next prime is 11279877809. The reversal of 11279877802 is 20877897211.

It can be written as a sum of positive squares in 4 ways, for example, as 9401435521 + 1878442281 = 96961^2 + 43341^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11279877802.

It is not an unprimeable number, because it can be changed into a prime (11279877809) 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, 1115224 + ... + 1125292.

Almost surely, 2^11279877802 is an apocalyptic number.

11279877802 is a deficient number, since it is larger than the sum of its proper divisors (5875656158).

11279877802 is a wasteful number, since it uses less digits than its factorization.

11279877802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17817.

The product of its (nonzero) digits is 790272, while the sum is 52.

The spelling of 11279877802 in words is "eleven billion, two hundred seventy-nine million, eight hundred seventy-seven thousand, eight hundred two".