90155335037 has 2 divisors, whose sum is σ = 90155335038. Its totient is φ = 90155335036.

The previous prime is 90155335019. The next prime is 90155335091. The reversal of 90155335037 is 73053355109.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85435782436 + 4719552601 = 292294^2 + 68699^2 .

It is a cyclic number.

It is not a de Polignac number, because 90155335037 - 2²⁸ = 89886899581 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90155334985 and 90155335003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90155335097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45077667518 + 45077667519.

It is an arithmetic number, because the mean of its divisors is an integer number (45077667519).

Almost surely, 2^90155335037 is an apocalyptic number.

It is an amenable number.

90155335037 is a deficient number, since it is larger than the sum of its proper divisors (1).

90155335037 is an equidigital number, since it uses as much as digits as its factorization.

90155335037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 212625, while the sum is 41.

The spelling of 90155335037 in words is "ninety billion, one hundred fifty-five million, three hundred thirty-five thousand, thirty-seven".