1153091878 has 16 divisors (see below), whose sum is σ = 1833516864. Its totient is φ = 541998720.

The previous prime is 1153091869. The next prime is 1153091879. The reversal of 1153091878 is 8781903511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153091879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10483 + ... + 49153.

It is an arithmetic number, because the mean of its divisors is an integer number (114594804).

Almost surely, 2^1153091878 is an apocalyptic number.

1153091878 is a deficient number, since it is larger than the sum of its proper divisors (680424986).

1153091878 is a wasteful number, since it uses less digits than its factorization.

1153091878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39567.

The product of its (nonzero) digits is 60480, while the sum is 43.

The square root of 1153091878 is about 33957.2065694456. The cubic root of 1153091878 is about 1048.6276486887.

The spelling of 1153091878 in words is "one billion, one hundred fifty-three million, ninety-one thousand, eight hundred seventy-eight".