1510155160081 has 2 divisors, whose sum is σ = 1510155160082. Its totient is φ = 1510155160080.

The previous prime is 1510155160057. The next prime is 1510155160139. The reversal of 1510155160081 is 1800615510151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1288134201600 + 222020958481 = 1134960^2 + 471191^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1510155160081 is a prime.

It is a super-2 number, since 2×1510155160081² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1510155760081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 755077580040 + 755077580041.

It is an arithmetic number, because the mean of its divisors is an integer number (755077580041).

Almost surely, 2^{1510155160081} is an apocalyptic number.

It is an amenable number.

1510155160081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1510155160081 is an equidigital number, since it uses as much as digits as its factorization.

1510155160081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6000, while the sum is 34.

The spelling of 1510155160081 in words is "one trillion, five hundred ten billion, one hundred fifty-five million, one hundred sixty thousand, eighty-one".