1055559657929 has 4 divisors (see below), whose sum is σ = 1206353894784. Its totient is φ = 904765421076.

The previous prime is 1055559657899. The next prime is 1055559657937. The reversal of 1055559657929 is 9297569555501.

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 1055559657929 - 2³⁶ = 986840181193 is a prime.

It is a super-3 number, since 3×1055559657929³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1055559657959) 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, 75397118417 + ... + 75397118430.

It is an arithmetic number, because the mean of its divisors is an integer number (301588473696).

Almost surely, 2^{1055559657929} is an apocalyptic number.

It is an amenable number.

1055559657929 is a deficient number, since it is larger than the sum of its proper divisors (150794236855).

1055559657929 is an equidigital number, since it uses as much as digits as its factorization.

1055559657929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150794236854.

The product of its (nonzero) digits is 191362500, while the sum is 68.

The spelling of 1055559657929 in words is "one trillion, fifty-five billion, five hundred fifty-nine million, six hundred fifty-seven thousand, nine hundred twenty-nine".