156050636051881 has 2 divisors, whose sum is σ = 156050636051882. Its totient is φ = 156050636051880.

The previous prime is 156050636051839. The next prime is 156050636051897. The reversal of 156050636051881 is 188150636050651.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111707143105600 + 44343492946281 = 10569160^2 + 6659091^2 .

It is an emirp because it is prime and its reverse (188150636050651) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-156050636051881 is a prime.

It is a super-2 number, since 2×156050636051881² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (156050636051281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78025318025940 + 78025318025941.

It is an arithmetic number, because the mean of its divisors is an integer number (78025318025941).

Almost surely, 2^{156050636051881} is an apocalyptic number.

It is an amenable number.

156050636051881 is a deficient number, since it is larger than the sum of its proper divisors (1).

156050636051881 is an equidigital number, since it uses as much as digits as its factorization.

156050636051881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184000, while the sum is 55.

The spelling of 156050636051881 in words is "one hundred fifty-six trillion, fifty billion, six hundred thirty-six million, fifty-one thousand, eight hundred eighty-one".