2113511637602 has 8 divisors (see below), whose sum is σ = 3170820073836. Its totient is φ = 1056571612992.

The previous prime is 2113511637599. The next prime is 2113511637649. The reversal of 2113511637602 is 2067361153112.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2069285127001 + 44226510601 = 1438501^2 + 210301^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92088563 + ... + 92111510.

Almost surely, 2^{2113511637602} is an apocalyptic number.

2113511637602 is a deficient number, since it is larger than the sum of its proper divisors (1057308436234).

2113511637602 is a wasteful number, since it uses less digits than its factorization.

2113511637602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184205812.

The product of its (nonzero) digits is 45360, while the sum is 38.

The spelling of 2113511637602 in words is "two trillion, one hundred thirteen billion, five hundred eleven million, six hundred thirty-seven thousand, six hundred two".