11154553101 has 6 divisors (see below), whose sum is σ = 16112132270. Its totient is φ = 7436368728.

The previous prime is 11154553097. The next prime is 11154553141. The reversal of 11154553101 is 10135545111.

11154553101 is a `hidden beast` number, since 1 + 1 + 1 + 5 + 4 + 553 + 101 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7848188100 + 3306365001 = 88590^2 + 57501^2 .

It is not a de Polignac number, because 11154553101 - 2² = 11154553097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11154553141) 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, 619697386 + ... + 619697403.

Almost surely, 2^11154553101 is an apocalyptic number.

It is an amenable number.

11154553101 is a deficient number, since it is larger than the sum of its proper divisors (4957579169).

11154553101 is a wasteful number, since it uses less digits than its factorization.

11154553101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239394795 (or 1239394792 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 27.

The spelling of 11154553101 in words is "eleven billion, one hundred fifty-four million, five hundred fifty-three thousand, one hundred one".