11142502450 has 48 divisors (see below), whose sum is σ = 20883857544. Its totient is φ = 4422988800.

The previous prime is 11142502417. The next prime is 11142502451. The reversal of 11142502450 is 5420524111.

It can be written as a sum of positive squares in 12 ways, for example, as 2410908201 + 8731594249 = 49101^2 + 93443^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (11142502451) 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, 3818392 + ... + 3821308.

Almost surely, 2^11142502450 is an apocalyptic number.

11142502450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11142502450 is a deficient number, since it is larger than the sum of its proper divisors (9741355094).

11142502450 is a wasteful number, since it uses less digits than its factorization.

11142502450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3487 (or 3482 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The spelling of 11142502450 in words is "eleven billion, one hundred forty-two million, five hundred two thousand, four hundred fifty".