11775142274 has 48 divisors (see below), whose sum is σ = 21471931008. Its totient is φ = 4824173088.

The previous prime is 11775142273. The next prime is 11775142279. The reversal of 11775142274 is 47224157711.

It is not an unprimeable number, because it can be changed into a prime (11775142273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 168332 + ... + 227784.

It is an arithmetic number, because the mean of its divisors is an integer number (447331896).

Almost surely, 2^11775142274 is an apocalyptic number.

11775142274 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11775142274 is a deficient number, since it is larger than the sum of its proper divisors (9696788734).

11775142274 is a wasteful number, since it uses less digits than its factorization.

11775142274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59559 (or 59552 counting only the distinct ones).

The product of its digits is 109760, while the sum is 41.

Adding to 11775142274 its reverse (47224157711), we get a palindrome (58999299985).

The spelling of 11775142274 in words is "eleven billion, seven hundred seventy-five million, one hundred forty-two thousand, two hundred seventy-four".