1155877375 has 8 divisors (see below), whose sum is σ = 1442535120. Its totient is φ = 924701800.

The previous prime is 1155877343. The next prime is 1155877399. The reversal of 1155877375 is 5737785511.

It is not a de Polignac number, because 1155877375 - 2⁵ = 1155877343 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4623385 + ... + 4623634.

It is an arithmetic number, because the mean of its divisors is an integer number (180316890).

Almost surely, 2^1155877375 is an apocalyptic number.

1155877375 is a deficient number, since it is larger than the sum of its proper divisors (286657745).

1155877375 is an frugal number, since it uses more digits than its factorization.

1155877375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9247034 (or 9247024 counting only the distinct ones).

The product of its digits is 1029000, while the sum is 49.

The square root of 1155877375 is about 33998.1966433515. The cubic root of 1155877375 is about 1049.4713514193.

The spelling of 1155877375 in words is "one billion, one hundred fifty-five million, eight hundred seventy-seven thousand, three hundred seventy-five".