1150505511051 has 16 divisors (see below), whose sum is σ = 1652440476960. Its totient is φ = 707818007040.

The previous prime is 1150505511049. The next prime is 1150505511119. The reversal of 1150505511051 is 1501155050511.

It is a happy number.

It is not a de Polignac number, because 1150505511051 - 2¹ = 1150505511049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1150505511251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3711246 + ... + 4009283.

It is an arithmetic number, because the mean of its divisors is an integer number (103277529810).

Almost surely, 2^{1150505511051} is an apocalyptic number.

1150505511051 is a deficient number, since it is larger than the sum of its proper divisors (501934965909).

1150505511051 is a wasteful number, since it uses less digits than its factorization.

1150505511051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7724366.

The product of its (nonzero) digits is 3125, while the sum is 30.

The spelling of 1150505511051 in words is "one trillion, one hundred fifty billion, five hundred five million, five hundred eleven thousand, fifty-one".