11057790 has 16 divisors (see below), whose sum is σ = 26538768. Its totient is φ = 2948736.

The previous prime is 11057777. The next prime is 11057843. The reversal of 11057790 is 9775011.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 368593 = 11057790 / (1 + 1 + 0 + 5 + 7 + 7 + 9 + 0).

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, 184267 + ... + 184326.

It is an arithmetic number, because the mean of its divisors is an integer number (1658673).

Almost surely, 2^11057790 is an apocalyptic number.

11057790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11057790 is an abundant number, since it is smaller than the sum of its proper divisors (15480978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11057790 is a wasteful number, since it uses less digits than its factorization.

11057790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368603.

The product of its (nonzero) digits is 2205, while the sum is 30.

The square root of 11057790 is about 3325.3255479727. The cubic root of 11057790 is about 222.7867950921.

The spelling of 11057790 in words is "eleven million, fifty-seven thousand, seven hundred ninety".