10637405521257 has 4 divisors (see below), whose sum is σ = 14183207361680. Its totient is φ = 7091603680836.

The previous prime is 10637405521229. The next prime is 10637405521261. The reversal of 10637405521257 is 75212550473601.

10637405521257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-10637405521257 is a prime.

It is a super-2 number, since 2×10637405521257² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10637405521217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1772900920207 + ... + 1772900920212.

It is an arithmetic number, because the mean of its divisors is an integer number (3545801840420).

Almost surely, 2^{10637405521257} is an apocalyptic number.

It is an amenable number.

10637405521257 is a deficient number, since it is larger than the sum of its proper divisors (3545801840423).

10637405521257 is an equidigital number, since it uses as much as digits as its factorization.

10637405521257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3545801840422.

The product of its (nonzero) digits is 1764000, while the sum is 48.

Adding to 10637405521257 its reverse (75212550473601), we get a palindrome (85849955994858).

The spelling of 10637405521257 in words is "ten trillion, six hundred thirty-seven billion, four hundred five million, five hundred twenty-one thousand, two hundred fifty-seven".