1151542855 has 16 divisors (see below), whose sum is σ = 1466001504. Its totient is φ = 865346560.

The previous prime is 1151542853. The next prime is 1151542867. The reversal of 1151542855 is 5582451511.

It is not a de Polignac number, because 1151542855 - 2¹ = 1151542853 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 (1151542853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31284 + ... + 57286.

It is an arithmetic number, because the mean of its divisors is an integer number (91625094).

Almost surely, 2^1151542855 is an apocalyptic number.

1151542855 is a deficient number, since it is larger than the sum of its proper divisors (314458649).

1151542855 is a wasteful number, since it uses less digits than its factorization.

1151542855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26546.

The product of its digits is 40000, while the sum is 37.

The square root of 1151542855 is about 33934.3904468608. The cubic root of 1151542855 is about 1048.1578751218.

The spelling of 1151542855 in words is "one billion, one hundred fifty-one million, five hundred forty-two thousand, eight hundred fifty-five".