61515071151006 has 64 divisors (see below), whose sum is σ = 143516709916416. Its totient is φ = 17370698304000.

The previous prime is 61515071150969. The next prime is 61515071151013. The reversal of 61515071151006 is 60015117051516.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 271303840 + ... + 271530483.

It is an arithmetic number, because the mean of its divisors is an integer number (2242448592444).

Almost surely, 2^{61515071151006} is an apocalyptic number.

61515071151006 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

61515071151006 is an abundant number, since it is smaller than the sum of its proper divisors (82001638765410).

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

61515071151006 is a wasteful number, since it uses less digits than its factorization.

61515071151006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542834457.

The product of its (nonzero) digits is 31500, while the sum is 39.

The spelling of 61515071151006 in words is "sixty-one trillion, five hundred fifteen billion, seventy-one million, one hundred fifty-one thousand, six".