715000155121 has 8 divisors (see below), whose sum is σ = 817357932864. Its totient is φ = 612696102000.

The previous prime is 715000155059. The next prime is 715000155151. The reversal of 715000155121 is 121551000517.

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 715000155121 - 2⁷ = 715000154993 is a prime.

It is a super-2 number, since 2×715000155121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 715000155121.

It is not an unprimeable number, because it can be changed into a prime (715000155151) 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, 13402630 + ... + 13455871.

It is an arithmetic number, because the mean of its divisors is an integer number (102169741608).

Almost surely, 2^715000155121 is an apocalyptic number.

It is an amenable number.

715000155121 is a deficient number, since it is larger than the sum of its proper divisors (102357777743).

715000155121 is a wasteful number, since it uses less digits than its factorization.

715000155121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26862311.

The product of its (nonzero) digits is 1750, while the sum is 28.

Adding to 715000155121 its reverse (121551000517), we get a palindrome (836551155638).

The spelling of 715000155121 in words is "seven hundred fifteen billion, one hundred fifty-five thousand, one hundred twenty-one".