61015214636 has 24 divisors (see below), whose sum is σ = 107853138624. Its totient is φ = 30200140800.

The previous prime is 61015214629. The next prime is 61015214677. The reversal of 61015214636 is 63641251016.

It is a super-2 number, since 2×61015214636² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61015214596 and 61015214605.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3171101 + ... + 3190283.

It is an arithmetic number, because the mean of its divisors is an integer number (4493880776).

Almost surely, 2^61015214636 is an apocalyptic number.

It is an amenable number.

61015214636 is a deficient number, since it is larger than the sum of its proper divisors (46837923988).

61015214636 is a wasteful number, since it uses less digits than its factorization.

61015214636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27161 (or 27159 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 61015214636 in words is "sixty-one billion, fifteen million, two hundred fourteen thousand, six hundred thirty-six".