1551521362041 has 48 divisors (see below), whose sum is σ = 2725530912000. Its totient is φ = 830238418944.

The previous prime is 1551521362037. The next prime is 1551521362049. The reversal of 1551521362041 is 1402631251551.

1551521362041 is a `hidden beast` number, since 1 + 5 + 5 + 1 + 5 + 21 + 3 + 620 + 4 + 1 = 666.

It is not a de Polignac number, because 1551521362041 - 2² = 1551521362037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1551521361987 and 1551521362005.

It is not an unprimeable number, because it can be changed into a prime (1551521362049) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3426736 + ... + 3852993.

It is an arithmetic number, because the mean of its divisors is an integer number (56781894000).

Almost surely, 2^{1551521362041} is an apocalyptic number.

It is an amenable number.

1551521362041 is a deficient number, since it is larger than the sum of its proper divisors (1174009549959).

1551521362041 is a wasteful number, since it uses less digits than its factorization.

1551521362041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7279958 (or 7279955 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The spelling of 1551521362041 in words is "one trillion, five hundred fifty-one billion, five hundred twenty-one million, three hundred sixty-two thousand, forty-one".