11291649250 has 64 divisors (see below), whose sum is σ = 24937076736. Its totient is φ = 3746520000.

The previous prime is 11291649247. The next prime is 11291649263. The reversal of 11291649250 is 5294619211.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49821 + ... + 158320.

It is an arithmetic number, because the mean of its divisors is an integer number (389641824).

Almost surely, 2^11291649250 is an apocalyptic number.

11291649250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11291649250 is an abundant number, since it is smaller than the sum of its proper divisors (13645427486).

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

11291649250 is a wasteful number, since it uses less digits than its factorization.

11291649250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208196 (or 208186 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 40.

The spelling of 11291649250 in words is "eleven billion, two hundred ninety-one million, six hundred forty-nine thousand, two hundred fifty".