1081374511 has 8 divisors (see below), whose sum is σ = 1256117024. Its totient is φ = 911697120.

The previous prime is 1081374473. The next prime is 1081374521. The reversal of 1081374511 is 1154731801.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1081374511 - 2¹⁷ = 1081243439 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 (1081374521) 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, 1265820 + ... + 1266673.

It is an arithmetic number, because the mean of its divisors is an integer number (157014628).

Almost surely, 2^1081374511 is an apocalyptic number.

1081374511 is a deficient number, since it is larger than the sum of its proper divisors (174742513).

1081374511 is an equidigital number, since it uses as much as digits as its factorization.

1081374511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2532561.

The product of its (nonzero) digits is 3360, while the sum is 31.

The square root of 1081374511 is about 32884.2593196198. The cubic root of 1081374511 is about 1026.4206391813.

The spelling of 1081374511 in words is "one billion, eighty-one million, three hundred seventy-four thousand, five hundred eleven".