7715005512061 has 8 divisors (see below), whose sum is σ = 7874338009824. Its totient is φ = 7556182879440.

The previous prime is 7715005512043. The next prime is 7715005512127. The reversal of 7715005512061 is 1602155005177.

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

It is a cyclic number.

It is not a de Polignac number, because 7715005512061 - 2¹³ = 7715005503869 is a prime.

It is a super-2 number, since 2×7715005512061² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7715005512031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127435711 + ... + 127496236.

It is an arithmetic number, because the mean of its divisors is an integer number (984292251228).

Almost surely, 2^{7715005512061} is an apocalyptic number.

It is an amenable number.

7715005512061 is a deficient number, since it is larger than the sum of its proper divisors (159332497763).

7715005512061 is a wasteful number, since it uses less digits than its factorization.

7715005512061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254932571.

The product of its (nonzero) digits is 73500, while the sum is 40.

The spelling of 7715005512061 in words is "seven trillion, seven hundred fifteen billion, five million, five hundred twelve thousand, sixty-one".