1151660882533 has 12 divisors (see below), whose sum is σ = 1347431015340. Its totient is φ = 981431892672.

The previous prime is 1151660882531. The next prime is 1151660882543. The reversal of 1151660882533 is 3352880661511.

It can be written as a sum of positive squares in 2 ways, for example, as 531217949409 + 620442933124 = 728847^2 + 787682^2 .

It is not a de Polignac number, because 1151660882533 - 2¹ = 1151660882531 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151660882531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67920088 + ... + 67937041.

It is an arithmetic number, because the mean of its divisors is an integer number (112285917945).

Almost surely, 2^{1151660882533} is an apocalyptic number.

It is an amenable number.

1151660882533 is a deficient number, since it is larger than the sum of its proper divisors (195770132807).

1151660882533 is a wasteful number, since it uses less digits than its factorization.

1151660882533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135857316 (or 135857309 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 49.

The spelling of 1151660882533 in words is "one trillion, one hundred fifty-one billion, six hundred sixty million, eight hundred eighty-two thousand, five hundred thirty-three".