11453666402 has 4 divisors (see below), whose sum is σ = 17180499606. Its totient is φ = 5726833200.

The previous prime is 11453666383. The next prime is 11453666417. The reversal of 11453666402 is 20466635411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20466635411 = 105601 ⋅193811.

It can be written as a sum of positive squares in only one way, i.e., 5995559761 + 5458106641 = 77431^2 + 73879^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2863416599 + ... + 2863416602.

Almost surely, 2^11453666402 is an apocalyptic number.

11453666402 is a deficient number, since it is larger than the sum of its proper divisors (5726833204).

11453666402 is an equidigital number, since it uses as much as digits as its factorization.

11453666402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5726833203.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 11453666402 in words is "eleven billion, four hundred fifty-three million, six hundred sixty-six thousand, four hundred two".