1152729785031 has 16 divisors (see below), whose sum is σ = 1679991995520. Its totient is φ = 697251559520.

The previous prime is 1152729784993. The next prime is 1152729785059. The reversal of 1152729785031 is 1305879272511.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1152729785031 - 2⁶ = 1152729784967 is a prime.

It is a super-2 number, since 2×1152729785031² (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 (1152729780031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34296765 + ... + 34330358.

It is an arithmetic number, because the mean of its divisors is an integer number (104999499720).

Almost surely, 2^{1152729785031} is an apocalyptic number.

1152729785031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1152729785031 is a deficient number, since it is larger than the sum of its proper divisors (527262210489).

1152729785031 is a wasteful number, since it uses less digits than its factorization.

1152729785031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68627646.

The product of its (nonzero) digits is 1058400, while the sum is 51.

The spelling of 1152729785031 in words is "one trillion, one hundred fifty-two billion, seven hundred twenty-nine million, seven hundred eighty-five thousand, thirty-one".