61315901022 has 8 divisors (see below), whose sum is σ = 122631802056. Its totient is φ = 20438633672.

The previous prime is 61315901011. The next prime is 61315901039. The reversal of 61315901022 is 22010951316.

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

61315901022 is an admirable number.

It is a congruent number.

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, 5109658413 + ... + 5109658424.

It is an arithmetic number, because the mean of its divisors is an integer number (15328975257).

Almost surely, 2^61315901022 is an apocalyptic number.

61315901022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61315901022 is a wasteful number, since it uses less digits than its factorization.

61315901022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10219316842.

The product of its (nonzero) digits is 3240, while the sum is 30.

The spelling of 61315901022 in words is "sixty-one billion, three hundred fifteen million, nine hundred one thousand, twenty-two".