61562012002 has 8 divisors (see below), whose sum is σ = 92344070700. Its totient is φ = 30780655104.

The previous prime is 61562011999. The next prime is 61562012003. The reversal of 61562012002 is 20021026516.

It can be written as a sum of positive squares in 2 ways, for example, as 60830796321 + 731215681 = 246639^2 + 27041^2 .

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

It is not an unprimeable number, because it can be changed into a prime (61562012003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260274 + ... + 436882.

Almost surely, 2^61562012002 is an apocalyptic number.

61562012002 is a deficient number, since it is larger than the sum of its proper divisors (30782058698).

61562012002 is a wasteful number, since it uses less digits than its factorization.

61562012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350900.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 61562012002 its reverse (20021026516), we get a palindrome (81583038518).

The spelling of 61562012002 in words is "sixty-one billion, five hundred sixty-two million, twelve thousand, two".