152851124137781 has 2 divisors, whose sum is σ = 152851124137782. Its totient is φ = 152851124137780.

The previous prime is 152851124137669. The next prime is 152851124137799. The reversal of 152851124137781 is 187731421158251.

152851124137781 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79850487528100 + 73000636609681 = 8935910^2 + 8544041^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152851124137781 is a prime.

It is a super-2 number, since 2×152851124137781² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152851124139781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76425562068890 + 76425562068891.

It is an arithmetic number, because the mean of its divisors is an integer number (76425562068891).

Almost surely, 2^{152851124137781} is an apocalyptic number.

It is an amenable number.

152851124137781 is a deficient number, since it is larger than the sum of its proper divisors (1).

152851124137781 is an equidigital number, since it uses as much as digits as its factorization.

152851124137781 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3763200, while the sum is 56.

The spelling of 152851124137781 in words is "one hundred fifty-two trillion, eight hundred fifty-one billion, one hundred twenty-four million, one hundred thirty-seven thousand, seven hundred eighty-one".