1151120003531 has 4 divisors (see below), whose sum is σ = 1154418342000. Its totient is φ = 1147821665064.

The previous prime is 1151120003519. The next prime is 1151120003533. The reversal of 1151120003531 is 1353000211511.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1151120003531 is a prime.

It is a super-2 number, since 2×1151120003531² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1151120003497 and 1151120003506.

It is not an unprimeable number, because it can be changed into a prime (1151120003533) 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, 1649168711 + ... + 1649169408.

It is an arithmetic number, because the mean of its divisors is an integer number (288604585500).

Almost surely, 2^{1151120003531} is an apocalyptic number.

1151120003531 is a deficient number, since it is larger than the sum of its proper divisors (3298338469).

1151120003531 is an equidigital number, since it uses as much as digits as its factorization.

1151120003531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3298338468.

The product of its (nonzero) digits is 450, while the sum is 23.

The spelling of 1151120003531 in words is "one trillion, one hundred fifty-one billion, one hundred twenty million, three thousand, five hundred thirty-one".