11774515074 has 96 divisors (see below), whose sum is σ = 28628453376. Its totient is φ = 3212969760.

The previous prime is 11774515037. The next prime is 11774515087. The reversal of 11774515074 is 47051547711.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7917559 + ... + 7919045.

It is an arithmetic number, because the mean of its divisors is an integer number (298213056).

Almost surely, 2^11774515074 is an apocalyptic number.

11774515074 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11774515074, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14314226688).

11774515074 is an abundant number, since it is smaller than the sum of its proper divisors (16853938302).

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

11774515074 is a wasteful number, since it uses less digits than its factorization.

11774515074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2700 (or 2693 counting only the distinct ones).

The product of its (nonzero) digits is 137200, while the sum is 42.

The spelling of 11774515074 in words is "eleven billion, seven hundred seventy-four million, five hundred fifteen thousand, seventy-four".