10970505557 has 4 divisors (see below), whose sum is σ = 11967824256. Its totient is φ = 9973186860.

The previous prime is 10970505547. The next prime is 10970505577. The reversal of 10970505557 is 75550507901.

It is a happy number.

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 cyclic number.

It is not a de Polignac number, because 10970505557 - 2⁶ = 10970505493 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 (10970505547) 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, 498659333 + ... + 498659354.

It is an arithmetic number, because the mean of its divisors is an integer number (2991956064).

Almost surely, 2^10970505557 is an apocalyptic number.

It is an amenable number.

10970505557 is a deficient number, since it is larger than the sum of its proper divisors (997318699).

10970505557 is an equidigital number, since it uses as much as digits as its factorization.

10970505557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997318698.

The product of its (nonzero) digits is 275625, while the sum is 44.

The spelling of 10970505557 in words is "ten billion, nine hundred seventy million, five hundred five thousand, five hundred fifty-seven".