11643253401 has 8 divisors (see below), whose sum is σ = 16718517760. Its totient is φ = 7165078992.

The previous prime is 11643253397. The next prime is 11643253411. The reversal of 11643253401 is 10435234611.

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

It is not a de Polignac number, because 11643253401 - 2² = 11643253397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11643253411) 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, 149272441 + ... + 149272518.

It is an arithmetic number, because the mean of its divisors is an integer number (2089814720).

Almost surely, 2^11643253401 is an apocalyptic number.

It is an amenable number.

11643253401 is a deficient number, since it is larger than the sum of its proper divisors (5075264359).

11643253401 is a wasteful number, since it uses less digits than its factorization.

11643253401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298544975.

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 11643253401 in words is "eleven billion, six hundred forty-three million, two hundred fifty-three thousand, four hundred one".