120515125151 has 4 divisors (see below), whose sum is σ = 120902633904. Its totient is φ = 120127616400.

The previous prime is 120515125117. The next prime is 120515125331. The reversal of 120515125151 is 151521515021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 151521515021 = 967 ⋅156692363.

It is a cyclic number.

It is not a de Polignac number, because 120515125151 - 2¹⁰ = 120515124127 is a prime.

It is a super-2 number, since 2×120515125151² (a number of 23 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 (120515125651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193753910 + ... + 193754531.

It is an arithmetic number, because the mean of its divisors is an integer number (30225658476).

Almost surely, 2^120515125151 is an apocalyptic number.

120515125151 is a deficient number, since it is larger than the sum of its proper divisors (387508753).

120515125151 is an equidigital number, since it uses as much as digits as its factorization.

120515125151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387508752.

The product of its (nonzero) digits is 2500, while the sum is 29.

The spelling of 120515125151 in words is "one hundred twenty billion, five hundred fifteen million, one hundred twenty-five thousand, one hundred fifty-one".