61012845835 has 4 divisors (see below), whose sum is σ = 73215415008. Its totient is φ = 48810276664.

The previous prime is 61012845797. The next prime is 61012845893. The reversal of 61012845835 is 53854821016.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61012845835 - 2³¹ = 58865362187 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61012845791 and 61012845800.

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, 6101284579 + ... + 6101284588.

It is an arithmetic number, because the mean of its divisors is an integer number (18303853752).

Almost surely, 2^61012845835 is an apocalyptic number.

61012845835 is a deficient number, since it is larger than the sum of its proper divisors (12202569173).

61012845835 is a wasteful number, since it uses less digits than its factorization.

61012845835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12202569172.

The product of its (nonzero) digits is 230400, while the sum is 43.

The spelling of 61012845835 in words is "sixty-one billion, twelve million, eight hundred forty-five thousand, eight hundred thirty-five".