61388322388315 has 8 divisors (see below), whose sum is σ = 79332601240368. Its totient is φ = 45332914994400.

The previous prime is 61388322388307. The next prime is 61388322388331. The reversal of 61388322388315 is 51388322388316.

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

It is not a de Polignac number, because 61388322388315 - 2³ = 61388322388307 is a prime.

It is a super-2 number, since 2×61388322388315² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

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, 472217864461 + ... + 472217864590.

It is an arithmetic number, because the mean of its divisors is an integer number (9916575155046).

Almost surely, 2^{61388322388315} is an apocalyptic number.

61388322388315 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

61388322388315 is a deficient number, since it is larger than the sum of its proper divisors (17944278852053).

61388322388315 is a wasteful number, since it uses less digits than its factorization.

61388322388315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944435729069.

The product of its digits is 39813120, while the sum is 61.

Subtracting from 61388322388315 its reverse (51388322388316), we obtain a palindrome (9999999999999).

The spelling of 61388322388315 in words is "sixty-one trillion, three hundred eighty-eight billion, three hundred twenty-two million, three hundred eighty-eight thousand, three hundred fifteen".