11437047557 has 8 divisors (see below), whose sum is σ = 12318261984. Its totient is φ = 10556039088.

The previous prime is 11437047547. The next prime is 11437047577. The reversal of 11437047557 is 75574073411.

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 11437047557 - 2⁶ = 11437047493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11437047547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75458 + ... + 169020.

It is an arithmetic number, because the mean of its divisors is an integer number (1539782748).

Almost surely, 2^11437047557 is an apocalyptic number.

It is an amenable number.

11437047557 is a deficient number, since it is larger than the sum of its proper divisors (881214427).

11437047557 is an equidigital number, since it uses as much as digits as its factorization.

11437047557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102979.

The product of its (nonzero) digits is 411600, while the sum is 44.

The spelling of 11437047557 in words is "eleven billion, four hundred thirty-seven million, forty-seven thousand, five hundred fifty-seven".