11909190054530 has 32 divisors (see below), whose sum is σ = 21452550453360. Its totient is φ = 4760119941120.

The previous prime is 11909190054523. The next prime is 11909190054613. The reversal of 11909190054530 is 3545009190911.

It can be written as a sum of positive squares in 8 ways, for example, as 9857446077649 + 2051743976881 = 3139657^2 + 1432391^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73903886 + ... + 74064854.

Almost surely, 2^{11909190054530} is an apocalyptic number.

11909190054530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11909190054530 is a deficient number, since it is larger than the sum of its proper divisors (9543360398830).

11909190054530 is a wasteful number, since it uses less digits than its factorization.

11909190054530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166454.

The product of its (nonzero) digits is 218700, while the sum is 47.

The spelling of 11909190054530 in words is "eleven trillion, nine hundred nine billion, one hundred ninety million, fifty-four thousand, five hundred thirty".