1551105057 has 8 divisors (see below), whose sum is σ = 2134854400. Its totient is φ = 1000712880.

The previous prime is 1551105053. The next prime is 1551105077. The reversal of 1551105057 is 7505011551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1551105057 - 2² = 1551105053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1551105053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8339182 + ... + 8339367.

It is an arithmetic number, because the mean of its divisors is an integer number (266856800).

Almost surely, 2^1551105057 is an apocalyptic number.

It is an amenable number.

1551105057 is a deficient number, since it is larger than the sum of its proper divisors (583749343).

1551105057 is a wasteful number, since it uses less digits than its factorization.

1551105057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16678583.

The product of its (nonzero) digits is 4375, while the sum is 30.

The square root of 1551105057 is about 39384.0711074922. The cubic root of 1551105057 is about 1157.5694891163.

The spelling of 1551105057 in words is "one billion, five hundred fifty-one million, one hundred five thousand, fifty-seven".