11156141002 has 4 divisors (see below), whose sum is σ = 16734211506. Its totient is φ = 5578070500.

The previous prime is 11156140991. The next prime is 11156141021. The reversal of 11156141002 is 20014165111.

It is a happy number.

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., 8578649641 + 2577491361 = 92621^2 + 50769^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2789035249 + ... + 2789035252.

Almost surely, 2^11156141002 is an apocalyptic number.

11156141002 is a deficient number, since it is larger than the sum of its proper divisors (5578070504).

11156141002 is an equidigital number, since it uses as much as digits as its factorization.

11156141002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5578070503.

The product of its (nonzero) digits is 240, while the sum is 22.

The spelling of 11156141002 in words is "eleven billion, one hundred fifty-six million, one hundred forty-one thousand, two".