11236521461 has 8 divisors (see below), whose sum is σ = 12259539648. Its totient is φ = 10213756000.

The previous prime is 11236521437. The next prime is 11236521493. The reversal of 11236521461 is 16412563211.

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

It is a cyclic number.

It is not a de Polignac number, because 11236521461 - 2¹⁰ = 11236520437 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 (11236521431) 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, 36656 + ... + 154326.

It is an arithmetic number, because the mean of its divisors is an integer number (1532442456).

Almost surely, 2^11236521461 is an apocalyptic number.

11236521461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11236521461 is a deficient number, since it is larger than the sum of its proper divisors (1023018187).

11236521461 is a wasteful number, since it uses less digits than its factorization.

11236521461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126363.

The product of its digits is 8640, while the sum is 32.

The spelling of 11236521461 in words is "eleven billion, two hundred thirty-six million, five hundred twenty-one thousand, four hundred sixty-one".