1150252615555 has 128 divisors (see below), whose sum is σ = 1599969024000. Its totient is φ = 789011435520.

The previous prime is 1150252615513. The next prime is 1150252615579. The reversal of 1150252615555 is 5555162520511.

It is not a de Polignac number, because 1150252615555 - 2⁷ = 1150252615427 is a prime.

It is a super-2 number, since 2×1150252615555² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2021533311 + ... + 2021533879.

It is an arithmetic number, because the mean of its divisors is an integer number (12499758000).

Almost surely, 2^{1150252615555} is an apocalyptic number.

1150252615555 is a deficient number, since it is larger than the sum of its proper divisors (449716408445).

1150252615555 is a wasteful number, since it uses less digits than its factorization.

1150252615555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229.

The product of its (nonzero) digits is 375000, while the sum is 43.

The spelling of 1150252615555 in words is "one trillion, one hundred fifty billion, two hundred fifty-two million, six hundred fifteen thousand, five hundred fifty-five".