1158255779270 has 32 divisors (see below), whose sum is σ = 2101429287936. Its totient is φ = 459622540000.

The previous prime is 1158255779257. The next prime is 1158255779273. The reversal of 1158255779270 is 729775528511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158255779273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4122827 + ... + 4394793.

It is an arithmetic number, because the mean of its divisors is an integer number (65669665248).

Almost surely, 2^{1158255779270} is an apocalyptic number.

1158255779270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1158255779270 is a deficient number, since it is larger than the sum of its proper divisors (943173508666).

1158255779270 is a wasteful number, since it uses less digits than its factorization.

1158255779270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275356.

The product of its (nonzero) digits is 12348000, while the sum is 59.

The spelling of 1158255779270 in words is "one trillion, one hundred fifty-eight billion, two hundred fifty-five million, seven hundred seventy-nine thousand, two hundred seventy".