1150001550523 has 4 divisors (see below), whose sum is σ = 1314287486320. Its totient is φ = 985715614728.

The previous prime is 1150001550521. The next prime is 1150001550563. The reversal of 1150001550523 is 3250551000511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1150001550523 - 2¹ = 1150001550521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1150001550491 and 1150001550500.

It is not an unprimeable number, because it can be changed into a prime (1150001550521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82142967888 + ... + 82142967901.

It is an arithmetic number, because the mean of its divisors is an integer number (328571871580).

Almost surely, 2^{1150001550523} is an apocalyptic number.

1150001550523 is a deficient number, since it is larger than the sum of its proper divisors (164285935797).

1150001550523 is an equidigital number, since it uses as much as digits as its factorization.

1150001550523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164285935796.

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 1150001550523 in words is "one trillion, one hundred fifty billion, one million, five hundred fifty thousand, five hundred twenty-three".