5121231051515 has 8 divisors (see below), whose sum is σ = 6145613937648. Its totient is φ = 4096893724000.

The previous prime is 5121231051509. The next prime is 5121231051529. The reversal of 5121231051515 is 5151501321215.

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

It is not a de Polignac number, because 5121231051515 - 2¹⁴ = 5121231035131 is a prime.

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, 11141861 + ... + 11592390.

It is an arithmetic number, because the mean of its divisors is an integer number (768201742206).

Almost surely, 2^{5121231051515} is an apocalyptic number.

5121231051515 is a deficient number, since it is larger than the sum of its proper divisors (1024382886133).

5121231051515 is a wasteful number, since it uses less digits than its factorization.

5121231051515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22779309.

The product of its (nonzero) digits is 7500, while the sum is 32.

The spelling of 5121231051515 in words is "five trillion, one hundred twenty-one billion, two hundred thirty-one million, fifty-one thousand, five hundred fifteen".