61265216002 has 4 divisors (see below), whose sum is σ = 91897824006. Its totient is φ = 30632608000.

The previous prime is 61265215889. The next prime is 61265216011. The reversal of 61265216002 is 20061256216.

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., 61029255681 + 235960321 = 247041^2 + 15361^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15316303999 + ... + 15316304002.

Almost surely, 2^61265216002 is an apocalyptic number.

61265216002 is a deficient number, since it is larger than the sum of its proper divisors (30632608004).

61265216002 is a wasteful number, since it uses less digits than its factorization.

61265216002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30632608003.

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 61265216002 in words is "sixty-one billion, two hundred sixty-five million, two hundred sixteen thousand, two".