11151701642 has 4 divisors (see below), whose sum is σ = 16727552466. Its totient is φ = 5575850820.

The previous prime is 11151701563. The next prime is 11151701647. The reversal of 11151701642 is 24610715111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9844806841 + 1306894801 = 99221^2 + 36151^2 .

It is not an unprimeable number, because it can be changed into a prime (11151701647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2787925409 + ... + 2787925412.

Almost surely, 2^11151701642 is an apocalyptic number.

11151701642 is a deficient number, since it is larger than the sum of its proper divisors (5575850824).

11151701642 is an equidigital number, since it uses as much as digits as its factorization.

11151701642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5575850823.

The product of its (nonzero) digits is 1680, while the sum is 29.

The spelling of 11151701642 in words is "eleven billion, one hundred fifty-one million, seven hundred one thousand, six hundred forty-two".