11457631 has 8 divisors (see below), whose sum is σ = 11916800. Its totient is φ = 11004120.

The previous prime is 11457629. The next prime is 11457637. The reversal of 11457631 is 13675411.

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 11457631 - 2¹ = 11457629 is a prime.

It is a super-2 number, since 2×11457631² = 262554616264322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11457631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11457637) 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, 2980 + ... + 5638.

It is an arithmetic number, because the mean of its divisors is an integer number (1489600).

Almost surely, 2^11457631 is an apocalyptic number.

11457631 is a deficient number, since it is larger than the sum of its proper divisors (459169).

11457631 is a wasteful number, since it uses less digits than its factorization.

11457631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2829.

The product of its digits is 2520, while the sum is 28.

The square root of 11457631 is about 3384.9122588333. The cubic root of 11457631 is about 225.4403294739.

The spelling of 11457631 in words is "eleven million, four hundred fifty-seven thousand, six hundred thirty-one".