11662157602 has 4 divisors (see below), whose sum is σ = 17493236406. Its totient is φ = 5831078800.

The previous prime is 11662157599. The next prime is 11662157603. The reversal of 11662157602 is 20675126611.

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., 7871415841 + 3790741761 = 88721^2 + 61569^2 .

It is not an unprimeable number, because it can be changed into a prime (11662157603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2915539399 + ... + 2915539402.

Almost surely, 2^11662157602 is an apocalyptic number.

11662157602 is a deficient number, since it is larger than the sum of its proper divisors (5831078804).

11662157602 is an equidigital number, since it uses as much as digits as its factorization.

11662157602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5831078803.

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 11662157602 in words is "eleven billion, six hundred sixty-two million, one hundred fifty-seven thousand, six hundred two".