1135403075521 has 32 divisors (see below), whose sum is σ = 1339916054400. Its totient is φ = 948491596800.

The previous prime is 1135403075413. The next prime is 1135403075561. The reversal of 1135403075521 is 1255703045311.

It is not a de Polignac number, because 1135403075521 - 2²³ = 1135394686913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1135403075561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154493955 + ... + 154501303.

It is an arithmetic number, because the mean of its divisors is an integer number (41872376700).

Almost surely, 2^{1135403075521} is an apocalyptic number.

1135403075521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1135403075521 is a deficient number, since it is larger than the sum of its proper divisors (204512978879).

1135403075521 is a wasteful number, since it uses less digits than its factorization.

1135403075521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12097.

The product of its (nonzero) digits is 63000, while the sum is 37.

The spelling of 1135403075521 in words is "one trillion, one hundred thirty-five billion, four hundred three million, seventy-five thousand, five hundred twenty-one".