11145570136890 has 64 divisors (see below), whose sum is σ = 30607943074560. Its totient is φ = 2544455854080.

The previous prime is 11145570136843. The next prime is 11145570136901. The reversal of 11145570136890 is 9863107554111.

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, 32150455 + ... + 32495274.

It is an arithmetic number, because the mean of its divisors is an integer number (478249110540).

Almost surely, 2^{11145570136890} is an apocalyptic number.

11145570136890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11145570136890 is an abundant number, since it is smaller than the sum of its proper divisors (19462372937670).

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

11145570136890 is a wasteful number, since it uses less digits than its factorization.

11145570136890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64646567.

The product of its (nonzero) digits is 907200, while the sum is 51.

The spelling of 11145570136890 in words is "eleven trillion, one hundred forty-five billion, five hundred seventy million, one hundred thirty-six thousand, eight hundred ninety".