1153526378 has 16 divisors (see below), whose sum is σ = 1740900384. Its totient is φ = 573235440.

The previous prime is 1153526377. The next prime is 1153526501. The reversal of 1153526378 is 8736253511.

It is not an unprimeable number, because it can be changed into a prime (1153526377) 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 7 ways as a sum of consecutive naturals, for example, 311876 + ... + 315552.

It is an arithmetic number, because the mean of its divisors is an integer number (108806274).

Almost surely, 2^1153526378 is an apocalyptic number.

1153526378 is a deficient number, since it is larger than the sum of its proper divisors (587374006).

1153526378 is a wasteful number, since it uses less digits than its factorization.

1153526378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4597.

The product of its digits is 151200, while the sum is 41.

The square root of 1153526378 is about 33963.6037251644. The cubic root of 1153526378 is about 1048.7593443223.

Adding to 1153526378 its reverse (8736253511), we get a palindrome (9889779889).

The spelling of 1153526378 in words is "one billion, one hundred fifty-three million, five hundred twenty-six thousand, three hundred seventy-eight".