155056350462212 has 6 divisors (see below), whose sum is σ = 271348613308878. Its totient is φ = 77528175231104.

The previous prime is 155056350462203. The next prime is 155056350462271. The reversal of 155056350462212 is 212264053650551.

It can be written as a sum of positive squares in only one way, i.e., 138285228756676 + 16771121705536 = 11759474^2 + 4095256^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19382043807773 + ... + 19382043807780.

It is an arithmetic number, because the mean of its divisors is an integer number (45224768884813).

Almost surely, 2^{155056350462212} is an apocalyptic number.

It is an amenable number.

155056350462212 is a deficient number, since it is larger than the sum of its proper divisors (116292262846666).

155056350462212 is a wasteful number, since it uses less digits than its factorization.

155056350462212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38764087615557 (or 38764087615555 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 47.

The spelling of 155056350462212 in words is "one hundred fifty-five trillion, fifty-six billion, three hundred fifty million, four hundred sixty-two thousand, two hundred twelve".