11652215454 has 96 divisors (see below), whose sum is σ = 28628256384. Its totient is φ = 3393973440.

The previous prime is 11652215387. The next prime is 11652215467. The reversal of 11652215454 is 45451225611.

11652215454 is a `hidden beast` number, since 116 + 522 + 15 + 4 + 5 + 4 = 666.

It is a super-2 number, since 2×11652215454² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 598477 + ... + 617639.

It is an arithmetic number, because the mean of its divisors is an integer number (298211004).

Almost surely, 2^11652215454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11652215454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14314128192).

11652215454 is an abundant number, since it is smaller than the sum of its proper divisors (16976040930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11652215454 is a wasteful number, since it uses less digits than its factorization.

11652215454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19302 (or 19299 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

The spelling of 11652215454 in words is "eleven billion, six hundred fifty-two million, two hundred fifteen thousand, four hundred fifty-four".