11249349146 has 48 divisors (see below), whose sum is σ = 19884361536. Its totient is φ = 4758735744.

The previous prime is 11249349143. The next prime is 11249349203. The reversal of 11249349146 is 64194394211.

It is a happy number.

It is a super-2 number, since 2×11249349146² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11249349097 and 11249349106.

It is not an unprimeable number, because it can be changed into a prime (11249349143) 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, 3400025 + ... + 3403331.

It is an arithmetic number, because the mean of its divisors is an integer number (414257532).

Almost surely, 2^11249349146 is an apocalyptic number.

11249349146 is a deficient number, since it is larger than the sum of its proper divisors (8635012390).

11249349146 is a wasteful number, since it uses less digits than its factorization.

11249349146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3763 (or 3756 counting only the distinct ones).

The product of its digits is 186624, while the sum is 44.

The spelling of 11249349146 in words is "eleven billion, two hundred forty-nine million, three hundred forty-nine thousand, one hundred forty-six".