1151556055015 has 8 divisors (see below), whose sum is σ = 1404520828128. Its totient is φ = 906142469280.

The previous prime is 1151556055003. The next prime is 1151556055019. The reversal of 1151556055015 is 5105506551511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1151556055015 - 2¹⁷ = 1151555923943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151556055019) 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 7 ways as a sum of consecutive naturals, for example, 1887796507 + ... + 1887797116.

It is an arithmetic number, because the mean of its divisors is an integer number (175565103516).

Almost surely, 2^{1151556055015} is an apocalyptic number.

1151556055015 is a deficient number, since it is larger than the sum of its proper divisors (252964773113).

1151556055015 is an equidigital number, since it uses as much as digits as its factorization.

1151556055015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3775593689.

The product of its (nonzero) digits is 93750, while the sum is 40.

The spelling of 1151556055015 in words is "one trillion, one hundred fifty-one billion, five hundred fifty-six million, fifty-five thousand, fifteen".