1551056061050 has 12 divisors (see below), whose sum is σ = 2884964273646. Its totient is φ = 620422424400.

The previous prime is 1551056061029. The next prime is 1551056061073. The reversal of 1551056061050 is 501606501551.

It can be written as a sum of positive squares in 3 ways, for example, as 1433237558041 + 117818503009 = 1197179^2 + 343247^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1551056061050.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 15510560561 + ... + 15510560660.

Almost surely, 2^{1551056061050} is an apocalyptic number.

1551056061050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1551056061050 is a deficient number, since it is larger than the sum of its proper divisors (1333908212596).

1551056061050 is a wasteful number, since it uses less digits than its factorization.

1551056061050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31021121233 (or 31021121228 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 1551056061050 in words is "one trillion, five hundred fifty-one billion, fifty-six million, sixty-one thousand, fifty".