1521045402041 has 32 divisors (see below), whose sum is σ = 1720527823872. Its totient is φ = 1332172800000.

The previous prime is 1521045402029. The next prime is 1521045402043. The reversal of 1521045402041 is 1402045401251.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1521045402041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1521045401995 and 1521045402013.

It is not an unprimeable number, because it can be changed into a prime (1521045402043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113157881 + ... + 113171321.

It is an arithmetic number, because the mean of its divisors is an integer number (53766494496).

Almost surely, 2^{1521045402041} is an apocalyptic number.

1521045402041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1521045402041 is a deficient number, since it is larger than the sum of its proper divisors (199482421831).

1521045402041 is a wasteful number, since it uses less digits than its factorization.

1521045402041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14945.

The product of its (nonzero) digits is 6400, while the sum is 29.

The spelling of 1521045402041 in words is "one trillion, five hundred twenty-one billion, forty-five million, four hundred two thousand, forty-one".