11471652452 has 48 divisors (see below), whose sum is σ = 21946147440. Its totient is φ = 5214855168.

The previous prime is 11471652449. The next prime is 11471652461. The reversal of 11471652452 is 25425617411.

It can be written as a sum of positive squares in 8 ways, for example, as 183439936 + 11288212516 = 13544^2 + 106246^2 .

It is a super-2 number, since 2×11471652452² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3524858 + ... + 3528110.

It is an arithmetic number, because the mean of its divisors is an integer number (457211405).

Almost surely, 2^11471652452 is an apocalyptic number.

It is an amenable number.

11471652452 is a deficient number, since it is larger than the sum of its proper divisors (10474494988).

11471652452 is a wasteful number, since it uses less digits than its factorization.

11471652452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4272 (or 4270 counting only the distinct ones).

The product of its digits is 67200, while the sum is 38.

The spelling of 11471652452 in words is "eleven billion, four hundred seventy-one million, six hundred fifty-two thousand, four hundred fifty-two".