1145051502021 has 24 divisors (see below), whose sum is σ = 1892139784704. Its totient is φ = 653658824160.

The previous prime is 1145051502011. The next prime is 1145051502103. The reversal of 1145051502021 is 1202051505411.

It is a happy number.

1145051502021 is a `hidden beast` number, since 1 + 1 + 4 + 505 + 150 + 2 + 0 + 2 + 1 = 666.

It is not a de Polignac number, because 1145051502021 - 2¹⁰ = 1145051500997 is a prime.

It is a super-2 number, since 2×1145051502021² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145051502011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9052245 + ... + 9177866.

It is an arithmetic number, because the mean of its divisors is an integer number (78839157696).

Almost surely, 2^{1145051502021} is an apocalyptic number.

It is an amenable number.

1145051502021 is a deficient number, since it is larger than the sum of its proper divisors (747088282683).

1145051502021 is a wasteful number, since it uses less digits than its factorization.

1145051502021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18231121 (or 18231118 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

The spelling of 1145051502021 in words is "one trillion, one hundred forty-five billion, fifty-one million, five hundred two thousand, twenty-one".