11056551330 has 64 divisors (see below), whose sum is σ = 29072504448. Its totient is φ = 2668853760.

The previous prime is 11056551313. The next prime is 11056551347. The reversal of 11056551330 is 3315565011.

It is an interprime number because it is at equal distance from previous prime (11056551313) and next prime (11056551347).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4992 + ... + 148788.

It is an arithmetic number, because the mean of its divisors is an integer number (454257882).

Almost surely, 2^11056551330 is an apocalyptic number.

11056551330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11056551330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14536252224).

11056551330 is an abundant number, since it is smaller than the sum of its proper divisors (18015953118).

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

11056551330 is a wasteful number, since it uses less digits than its factorization.

11056551330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144051.

The product of its (nonzero) digits is 6750, while the sum is 30.

The spelling of 11056551330 in words is "eleven billion, fifty-six million, five hundred fifty-one thousand, three hundred thirty".