11155653461 has 8 divisors (see below), whose sum is σ = 11258794584. Its totient is φ = 11052590080.

The previous prime is 11155653451. The next prime is 11155653479. The reversal of 11155653461 is 16435655111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9572836 + 11146080625 = 3094^2 + 105575^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11155653461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11155653451) 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, 291725 + ... + 327741.

It is an arithmetic number, because the mean of its divisors is an integer number (1407349323).

Almost surely, 2^11155653461 is an apocalyptic number.

It is an amenable number.

11155653461 is a deficient number, since it is larger than the sum of its proper divisors (103141123).

11155653461 is a wasteful number, since it uses less digits than its factorization.

11155653461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38871.

The product of its digits is 54000, while the sum is 38.

The spelling of 11155653461 in words is "eleven billion, one hundred fifty-five million, six hundred fifty-three thousand, four hundred sixty-one".